Work activities began in January 2011 and the bridge is expected to be finished by April 2012. Details on a grand opening
will be posted to this website and sent out as details are confirmed.
January 2012
Weekend of January 20
Work continues on the west landing plaza, as well as on the elevator and stairs on the east landing.
Work will also continue on the bridge structure to prepare for the concrete pouring, which is expected to take place in February.
No work is scheduled for the weekend of January 21-22.
Update: January 12
Thursday night (January 12) crews will work on placing the final bridge span and placing the deck forming and
temporary hand railing, so that crews will be able to pour the concrete deck in early February.
SW Macadam Avenue north of SW Curry Street and the nearby I-5 northbound on-ramp will be CLOSED between 8:00 p.m. and 5:00 a.m.
Traffic detours are listed below. Also, the southbound lane of I-5 will be closed Thursday and potentially Friday (1/13) nights
beginning at 10:00 p.m. until 5:00 a.m. the next morning.
Week of January 9: Final Bridge Span Placements Scheduled
Workers are preparing to place the final bridge spans across SW Macadam Avenue and connect to the bridge’s elevator tower.
Roadway closures and detours are planned as part of this work.
On Monday (January 9) a large crane will be set up next to SW Macadam Avenue near the Tram tower, closing the sidewalk on
SW Macadam Avenue that connects SW Curry Street to SW Kelly Avenue. The sidewalk closure will be in effect Monday, January 9
at 8:00 a.m. through Friday, January 13 at 7:00 a.m.
Starting Tuesday night (January 10) crews will work for three nights to place the final bridge spans. On each of these three
nights (January 10, 11, and 12) SW Macadam Avenue north of SW Curry Street and the nearby I-5 northbound on-ramp will be CLOSED
between 8:00 p.m. and 5:00 a.m. Traffic detours are listed below.
Nearby residents in Lair Hill and South Waterfront may experience nighttime noise as the crews bolt the bridge spans together.
However, this work will be further way from residences than previous bridge span placements, which should lessen the direct
noise and vibrations.
Detour Routes:
Between Tuesday night, January 10 from 8:00 p.m. to Friday morning, January 13 at 5:00 a.m. the detour routes below will
be in affect.
SW Macadam Avenue northbound will be closed at SW Curry Street. This will affect motorists traveling northbound on SW
Macadam Avenue, as well as motorists leaving I-5 North at Exit 299A (Oregon 43/Hwy 26/Ross Island Bridge/Macadam Ave).
Motorists will turn right onto SW Curry Avenue and follow a signed detour along SW Moody Avenue, SW River Parkway, and
SW Harbor Drive to reach SW Naito Parkway and downtown Portland.
- To access I-5 South, motorists will turn left from SW River Parkway onto SW Harbor Drive to reach the I-5 on-ramp.
- To access I-5 North, motorists will follow a signed detour to the Morrison Bridge and the I-5 on-ramp.
- To access US 26 East and the Ross Island Bridge, motorists will travel south on SW Naito Parkway and follow the signs
to the Ross Island Bridge and US 26.
- To access US 26 West, motorists will travel west on SW Clay Street and follow the signs to US 26.
- To access Oregon 43 South, motorists will travel south on SW Naito Parkway and follow the signs to Oregon 43 and Lake
Oswego.
December 2011
Week of December 19:
The third bridge span (out of six) was successfully placed on Friday night, December 16th, and crews will not be returning
for any nighttime work this week. Daytime work continues this week on the east landing and crews will stop
work at 12:00 pm Friday, December 23rd to break for the holidays. Work will resume on Tuesday, January 3rd
at 7:00 am.
Week of December 12:
Workers are preparing to place the third bridge span across I-5. A large crane will be set up Thursday night December 15th,
along with the other preparations for the work. The third bridge span will be placed on Friday, December 16th starting
at 11:30 pm at night until 5:00 am Saturday morning. During this time ALL LANES of I-5 will be CLOSED.
Review a complete description of detour routes.
There will be substantial noise for nearby residents; however, the third bridge span will be further way
from residences which should lessen the direct noise and vibrations.
Nighttime work will continue on the bridge spans Saturday night, December 17 and into next week. This will
require nighttime lane closures on December 17 and weeknights between Monday, December 19 and Friday
morning, December 23.
Crews will stop work at 12:00 pm Friday, December 23rd to break for the holidays. Work will resume on
Tuesday, January 3rd at 7:00 am.
November 2011
November 22:
Reminder: No work is scheduled over the Thanksgiving holiday weekend,
between Thursday (11/24) and Sunday (11/27).
Work will resume on Monday, November 28 as crews work on the East Plaza area, including the stairs and
retaining walls. Due to the nature of construction schedules, more details will be announced on the
project website as work progresses and dates are finalized. An email will be sent to neighbors and
other interested individuals who join our mailing list.
Preparation for the third girder placement will begin on Monday, December 12. The third girder is expected
to be placed on Friday, December 16 over I-5 requiring night closure of all I-5 lanes, north and southbound,
and resulting in significant noise for nearby residents.
November 15 - 27:
Work will continue on the existing two bridge spans (put in place in early November), as well as the east
and west bridge landings. There should be minimal disruption to traffic and few noise impacts to residents.
I-5 southbound Exit 299A (Oregon 43/US 26/Ross Island Bridge/Macadam Ave) will be
closed on Monday, November 21 from 8:00 pm to Tuesday, November 22 at 5:00 am.
No work is scheduled over the Thanksgiving holiday weekend, between Thursday (11/24) and
Sunday (11/27). Work will resume on Monday, November 28 in preparation for the third girder placement, which
is expected to take place on Friday, December 2. This girder placement will require night closure of all I-5
lanes, north and southbound, and will result in significant noise for nearby residents.
Due to the nature of construction schedules, more details will be announced on the project website as work
progresses.
November 10 and 11
Work will take place at the west landing of the Gibbs Street Pedestrian Bridge tonight
(Thursday, 11/10) and tomorrow night (Friday, 11/11) as crews work on the bridge decking. There will be
significant noise for nearby residents starting at 9:30 pm Thursday evening as crews will continue to bolt the bridge spans together.
Due to the nature of construction schedules, more details will be announced on the project website as work
progresses; expect periodic detours.
For both nights:
• I-5 South Exit 299A (Oregon 43/US 26/Ross Island Bridge/Macadam Ave) will be closed
• SW Hood Avenue between the Ross Island Bridge and SW Curry Street will be closed
November 9
The first bridge span has been set and crews will place the next span on Wednesday, November 9th, starting at
8:00 pm and completing by 5:30 am on Thursday. Since the bridge crosses I-5, the bridge span placement needs to take place at
night to avoid traffic congestion and to keep workers and motorists safe.
Lair Hill and South Waterfront residents can expect night time noise including noise from trucks and cranes,
lights powered by generators, and high powered drills. The most noise is expected between 12:00 pm and 4:00 am
when crews will bolt the bridge spans together.
Read more details about detour routes and other information, in the
flyer that was distributed to residents
for the November 4th closure. All detours and closures will be the same.
I-5 will be closed to southbound traffic for five hours starting at 11:30 pm on Wednesday night,
November 9th. Work crews will close the two southbound lanes just south of the Marquam Bridge. Lanes will begin
closing at 10:30 pm Friday and the road will be shut down altogether by 11:30 pm. Lanes will begin re-opening at
4:00 am Thursday, November 10th.
In addition to the I-5 closure, I-5 southbound Exit 299A (Oregon 43/US 26/Ross Island Bridge/Macadam Ave)
and SW Hood Avenue between SW Grover and SW Curry will be closed between 8:00 pm Wednesday and 5:00 am Thursday.
Interstate 405 and the SW Harbor Drive entrance to I-405/I-5 southbound will remain open to traffic.
Visit ODOT's TripCheck website for more information about traffic conditions.
Weekend of November 4
Work on the bridge span placement is ready to start, beginning on the west side of Interstate 5 (I-5). The first
bridge span placement is scheduled for Friday, November 4th, starting at 8:00 pm and completing by 5:30 am on
Saturday. Since the bridge crosses I-5, the bridge span placement needs to take place at night to avoid traffic
congestion and to keep workers and motorists safe.
Lair Hill and South Waterfront residents can expect night time noise including noise from trucks and cranes,
lights powered by generators, and high powered drills. The most noise is expected between 11:00 pm and 3:00 am
when crews will bolt the bridge spans together.
Read more details about detour routes and other information, in the flyer that was distributed to nearby residents.
I-5 will be closed to southbound traffic for five hours starting at 11:30 pm on Friday night,
November 4th. Work crews will close the two southbound lanes just south of the Marquam Bridge. Lanes will begin
closing at 10:30 pm Friday and the road will be shut down altogether by 11:30 pm. Lanes will begin re-opening at
4:30 am Saturday, November 5th.
In addition to the I-5 closure, I-5 southbound Exit 299A (Oregon 43/US 26/Ross Island Bridge/Macadam Ave)
and SW Hood Avenue between SW Grover and SW Curry will be closed between 8:00 pm Friday and 5:00 am Saturday.
Interstate 405 and the SW Harbor Drive entrance to I-405/I-5 southbound will remain open to traffic.
October 2011
Week of October 24
Work on the bridge span placement is ready to start in early November, starting on the west side of I-5. Work
is expected to take place during the day for preparation and at night for placement. The first bridge span
placement is expected to occur Friday, November 4th, starting at 8:00 pm and completing by 5:30 am on
Saturday. There will be nighttime noise as the steel bridge spans are bolted together.
The remaining bridge spans will be installed in the weeks that follow, as more steel spans are prepared,
painted, and delivered to the site. The dates of those installations will be announced here. All of the
girders should be in place by the end of November, then forming and pouring the concrete deck will start
in early December.
Eastside of I-5: Work will also continue on the stairwell and weir walls (retaining wall
to the north of the stairs), connecting the bridge to SW Moody Street.
Westside of I-5: Work will continue at the west approach to the bridge, as pavers are placed.
The first of the girders will be placed on this side of I-5, there will be noise for nearby residents
(see above).
Week of October 17
Work will begin on the “falsework towers” starting on Tuesday, October 18. This is the first step toward building the
bridge span over I-5. This work will require closure of the Hood Ramp (from southbound I-5) and the OR 43 left lane
Tuesday (10/18) and Wednesday (10/19) nights, from 8:00 pm to 5:30 am.
Work will also continue on the east landing as the stairs from the bridge to SW Bond continue to be built.
Week of October 3
Hood Ramp will be closed from 8:00 pm each night, reopening at 5:00 am the next morning on Monday,
October 3 and Tuesday, October 4.
OR 43, northbound left lane will be closed from 8:00 pm each night, reopening at 5:30 am the next
morning on Tuesday, October 4 and Wednesday, October 5.
September 2011
There will be additional traffic control on Kelly and Gibbs streets as sidewalk improvements are made.
Traffic control will also take place on Gibbs Street and Barbur Boulevard as sidewalk and crossing improvements are made.
At the east landing, the concrete stair walls and stairs are being poured; these will connect the bridge to SW Moody Avenue.
August 2011
Week of August 15
The I-5 northbound lanes, Exit 299B (I-405/Hwy26/City Center/Beaverton), and I-405 north
(Exit 1A/Naito Parkway) will be closed on the nights of Tuesday, Wednesday, and Thursday, August 16 to 18,
starting at 7:30 p.m., with a full closure of the northbound lanes starting at 11:30 p.m. and ending at 4:30 a.m. the
following morning. The I-5 southbound lanes and access from I-405 south to I-5 south will remain open at all
times during this work.
Northbound traffic on I-5 will again be diverted to Exit 299A and be able to rejoin I-5 a few hundred yards north of the
exit. Motorists heading to I-405 north and Hwy 26 west will follow this route and be detoured onto I-5 north, where they
can connect with I-405 south at the Fremont Bridge. The freeway will fully reopen by 5:30 a.m. each morning following the
work.
Lair Hill and South Waterfront residents can expect some night time noise Tuesday through Thursday nights.
Work crews will be installing signs on the new sign bridge and removing an existing sign bridge
spanning the northbound lanes.
Week of August 8
Interstate 5 will shut down in both directions for five hours starting at 11:30 p.m. Friday, August 12 for construction of
the Gibbs Street Pedestrian Bridge in Southwest Portland. Work crews will close the freeway to allow construction of a
new sign bridge spanning the road near SW Curry Street. In addition to the I-5 closure, both I-5 northbound access to
Interstate 405 and I-405 southbound access to I-5 south will be closed.
Lanes both northbound and southbound on I-5 (including the Southwest Harbor Drive entrance to the I-5 southbound lanes)
will begin closing at 7:30 p.m. Friday and the road will be shut down altogether by 11:30 p.m. Lanes will begin
re-opening at 4:30 a.m. Saturday with the freeway fully open by 9 a.m.
Detour Routes
- Traveling on I-5 northbound: Take exit 299A (Oregon 43/Hwy 26/Ross Island Bridge/Macadam Ave)
which will rejoin with I-5 a few hundred yards north of the exit.
- Traveling on I-5 northbound to I-405 north and U.S. 26 west: Exit 299B (I-405/Hwy26/City Center/
Beaverton) will be closed. Motorists will follow the I-5 northbound detour onto I-5 north, where they can connect with
I-405 south at the Fremont Bridge and follow the signs to U.S. 26 west.
- Traveling on I-5 northbound to downtown Portland: I-405 north exit 1A (Naito Parkway/Japanese
American Historical Plaza) will be closed. Motorists can take exit 299A (Oregon 43/Hwy 26/Ross Island Bridge/Macadam Ave)
to the Hwy 43/City Center exit from SW Macadam Ave and follow the signs to Naito Parkway.
- Traveling on I-5 southbound: Motorists will be detoured to exit 299A (Oregon 43/Macadam Ave/Lake
Oswego), which will rejoin with I-5 a few hundred yards south of the exit.
- Traveling on I-405 southbound, heading to I-5 south: This access will be closed. Traffic on I-405
southbound will be routed onto I-5 north, where drivers can take exit 302A/Rose Quarter/Broadway-Weidler Street, turn
left onto Northeast Broadway, turn left onto North Vancouver Avenue, and follow the signs to I-5 south.
- Entering I-5 southbound from downtown Portland: The Southwest Harbor Drive entrance to
the I-5 southbound lanes will be closed. Traffic will be detoured south onto SW Naito Parkway, US 26/Ross
Island Bridge, SW Kelly Street, SW Curry Street and SW Hood Avenue. Motorists should look for the Highway
43 South detour signs and enter the freeway approximately 1.5 miles south of the closed exit.
Lair Hill and South Waterfront residents can expect night time noise including noise from trucks and
cranes, lights powered by generators, and high powered drills. With I-5 traffic detoured to SW Hood Avenue and SW
Macadam Avenue, noise from moving vehicles may be more noticeable for nearby residents.
The most noise is expected between 1:00 and 3:00 am when crews set the sign bridge into position and
attach it to the supports.
After Friday night’s closure, the I-5 northbound lanes, Exit 299B (I-405/Hwy26/City Center/Beaverton), and I-405 north
exit 1A/Naito Parkway will close again Tuesday, Wednesday and Thursday, August 16 – 18, starting at 7:30 p.m., with a
full closure starting at 11:30 p.m. and ending at 4:30 a.m. the following morning. Work crews will be installing signs
on the new sign bridge and remove an existing sign bridge spanning the northbound lanes. The I-5 southbound lanes and
access from I-405 south to I-5 south will remain open at all times during this work.
Northbound traffic on I-5 will again be diverted to exit 299A and be able to rejoin I-5 a few hundred yards north of the
exit. Motorists heading to I-405 north and Hwy 26 west will follow this route and be detoured onto I-5 north, where they
can connect with I-405 south at the Fremont Bridge. The freeway will fully open by 5:30 a.m. each morning following the
work.
Read the press release for more detour inforamtion.
Week of August 1:
In Lair Hill, construction will take place on Hood Avenue Monday (8/1) and Tuesday nights (8/2),
which will require closing Exit 299A (from Marquam Bridge).
The work will involve placing a concrete barrier, installing a work tower for the west sign bridge support
on Hood Avenue.
In South Waterfront, work will take place on Macadam Tuesday (8/2) through Thursday night (8/4).
One lane will be closed on Macadam to place a concrete barrier, to install a work tower for the east sign bridge support.
July 2011
Week of July 18
In Lair Hill, work will take place on the west approach at Gibbs Street during the day. There may be some periods of road closure; flaggers will be on site to help with traffic control and local access will be provided.
In South Waterfront, work will take place at night and during the day to remove the elevator shaft forms.
June 2011
Week of June 6
In Lair Hill, crews continue to work on the footing on the west landing of the bridge near SW
Kelly Street. Nighttime work may take place between June 6 and 17 to construct the sign bridge over I-5.
In South Waterfront, work continues on the elevator shaft and the mechanical building at
the east landing of the bridge, near SW Moody Street.
Week of June 13
Lair Hill, from June 13 to 21 work will take place to widen
Hood Avenue and to erect temporary scaffolding for bridge construction. There will construction on these
nights that could include some noise for neighbors along Hood Avenue.
I-5 Southbound exit (Hood Avenue) will be closed from June 13 to 21 from 8:00 pm through 5:00 am, each evening
but it will be open during the day.
Between Wednesday, June 22 and Friday, June 24 from 8:00 pm through 5:00 am every night, the left
lane on Macadam Ave (near the I-5 northbound on-ramp) will be closed, but the ramp will remain open.
In South Waterfront, beginning Friday, June 17, work on the elevator tower will shift
to nighttime hours, Monday through Friday. In order to work safely under the Tram, work can only occur
when the Tram is not operating. The final concrete pour for the elevator tower is schedule in early July.
May 2011
Week of May 2
Foundation work for the bridge continues to move ahead. Night work in Lair Hill is planned for the next two weeks, with possible
night work this weekend (May 7 and 8). Progress on the elevator shaft is visible at the east landing of the bridge,
near SW Moody Street.
I-5 Southbound Exit 299A (the Oregon 43/Macadam Avenue/Lake Oswego exit from the Marquam Bridge) will be
closed from 8 p.m. until 5 a.m. each night from May 2 through May 5, and from May 9 through May 13.
Week of May 9
Underground foundation work is complete on all four bridge columns. Night work in Lair Hill this week will widen
SW Hood Avenue to make way for temporary scaffolding to support the bridge as it is erected. Progress on the
elevator shaft is visible at the east landing of the bridge, near SW Moody Street.
Week of May 16
In Lair Hill, crews are working on the footing on the west landing of the bridge near
SW Kelly Street. Portland Water Bureau crews continue their work to relocate a water main in SW Kelly
Street at SW Gibbs Street. Nighttime work will resume next week starting Monday night, 5/23 through Friday
morning, 5/27, to widen SW Hood Avenue to make way for temporary scaffolding to support the bridge as it is
erected.
In South Waterfront, work continues on the elevator shaft and the mechanical biulding at
the east landing of the bridge, near SW Moody Street.
SW Kelly Ave/eastbound Ross Island Bridge approach at SW Gibbs Street: Lane closures are in effect
from 7 a.m. to 5 p.m. Monday, May 16 through Friday, May 20. Flaggers are directing traffic around the work zone.
Motorists should expect delays.
I-5 Southbound Exit 299A: The Oregon 43/Macadam Avenue/Lake Oswego exit from the Marquam Bridge
will be closed from 8 p.m. until 5 a.m. each night from Monday night, May 23 through Friday morning, May 27.
Week of May 23
In Lair Hill, crews are working on the footing on the west landing of the bridge near SW
Kelly Street. Portland Water Bureau crews have finished their work to relocate a water main in SW Kelly
Street at SW Gibbs Street. No nighttime work is planned this week.
In South Waterfront, work continues on the elevator shaft and the mechanical building at
the east landing of the bridge, near SW Moody Street.
I-5 Southbound Exit 299A: The Oregon 43/Macadam Avenue/Lake Oswego exit from the Marquam Bridge
will be open this week. No nighttime work is planned.
April 2011
Thursday, April 7 (8 pm to 5 am)
Work on the drilled shaft between Hood Ave and I-5 during the weekend of March 26-27 did not go as planned. The drilling crews
encountered issues; however, the contractor and project staff have come up with a revised work plan for the foundations.
This work may cause significant vibrations and noise, especially within a one-block radius of the work site.
Read the April 7th flyer for more information.
Friday, April 15 to Monday, April 18
Work has been postponed until April 22nd. Exit 299A (from Marquam Bridge) and the Portland Aerial Tram will
be open 4/15-4/18. The contractor will continue to perform other work along SW Gibbs Street and SW Hood
Avenue during days and some nights in the weeks ahead.
Read the current flyer for more information.
Friday, April 22 through Friday, April 29
Construction will resume this weekend and will cause significant vibrations and noise, especially within a one-block radius of the work site.
Exit 299A (from Marquam Bridge) and the Portland Aerial Tram will
be closed this weekend. We apologize for any inconvenience caused by construction over the holiday weekend.
Read the current flyer for more information.
Week of April 25
Construction went well over the weekend of April 23rd. There will be construction on Saturday, April 30th and
night work is planned for the next three weeks (during the weeknights).
March 2011
Nighttime Work After Monday, March 28 - Crews will return to Hood Avenue
on Monday evening to remove the equipment from the areas adjacent to the freeway. This work is expected to
continue on Tuesday night and Wednesday night. Read the flyer that was distributed to neighbors before the night work.
SW Macadam Ave / I-5 Off-Ramp Sidewalk Open - The sidewalk on SW
Macadam, which provides access between the Ross Island Bridge and South Waterfront, has been reopened.
Construction activities for the Gibbs Street Pedestrian Bridge had closed it for several weeks.
February 2011
Night time drilling and concrete pouring for the bridge foundations will take place in February. SW Hood and SW Macadam avenues will be closed periodically through the month after 8:00 pm. In an effort to reduce the impact to residents, noise levels will try to be kept to a lower volume after 11:00 pm. There will also be night time closures of SW Curry Street and SW Macadam Avenue, as foundations are installed for a new sign over I-5.
Through traffic will not be allowed on Gibbs Street between SW Kelly and Hood avenues from now until the end of the project (scheduled for January 31, 2012). Local residents will still be allowed on the street, although there may be times during the day when this access for local residents is restricted.
January 24, 2011: Night work begins. The initial night work will be located along SW Hood Avenue between the Ross Island Bridge and SW Curry/Hood intersection. Read a flyer that was distributed to homes in the area for more information.
January 2011: Work is underway! Wildish Standard Paving Co. crews are mobilizing to the project site and setting up their staging yard next to SW Moody Street in South Waterfront. Work activities during the week of January 10th include relocating underground utilities through the future plaza at the east end of the bridge.
December 2010: Project staff are preparing for construction to start in January 2011. Work is expected to last one year.
November 2010:Wildish Standard Paving Co. has signed a construction contract and received Notice to Proceed for the project.
Project staff are reviewing Wildish’s work plan and schedule and are coordinating with public and private utilities in anticipation of work starting in January.
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