Rockford Road bridge, ramps open to traffic
The Rockford Road (County Road 9) bridge over I-494 and all ramps are open to traffic.
All construction activities are scheduled to be wrapped up and traffic control signage/cones removed from the site by Wednesday, Nov. 20.
Remaining construction items will be completed in the spring of 2020.
To protect curbs from snow plows and provide a smoother ride through winter, crews will paint temporary pavement markings, grade the boulevards and place pavement wedges on the curbs and approach to the bridge deck.
Remaining Items set for Spring
In spring, crews will complete final paving of Rockford Road and trails on the east side of I-494, finish final soil restoration and install permanent striping, fencing and railings.
The remaining work will require temporary lane shifts, but disruption to traffic will be minimal.
The City of Plymouth thanks area businesses, residents and motorists for their patience during the project.
This project includes plans to replace the Rockford Road (County Road 9) bridge over Interstate 494 and improve the intersection.
Project Overview Sheet (PDF)
The project is a joint effort of the City of Plymouth, Hennepin County and Minnesota Department of Transportation.
View the final Project Layout (PDF).
Pedestrian Bridge Closed
The pedestrian bridge is closed to traffic for the remainder of the project. Pedestrians and bicyclists should follow the posted detour route. Download the Pedestrian/Bicycle Detour Map (PDF).
Weather permitting, the project will be completed in one construction season. Construction is set to begin in May 2019 and be finished in November 2019.
To best accommodate access for nearby businesses and residents traveling the affected area, the project will be completed in three phases. View the Bridge Staging Maps (three phases) and Detour Routes (PDF).
All dates and timing of phases are tentative and weather dependent.
- Phase 1 – May 28 through early July
Construction is scheduled to begin in May. Phase 1, expected to be complete by early July, involves widening and improving the north ramps. Both north ramps will be closed (the ramp from Rockford Road to northbound I-494 and the ramp from southbound I-494 to Rockford Road). The roadway bridge will be open to traffic during this phase. Download the Phase 1 Detour Map (PDF)
- Phase 2 – July 12 through early fall
The Rockford Road bridge over I-494 is set to close July 12. The bridge will be closed to traffic for roughly 100 days. Removal of the existing bridge may require the closure of I-494 (nights/weekends). After the completion of this phase, the new bridge will be open to traffic. Download the Phase 2 Detour Map (PDF)
- Phase 3 – Oct. 7 through late-November
During this phase, the southeast ramp will be closed (the ramp from northbound I-494 to Rockford Road). While the new bridge will be open to traffic during this phase, motorists will experience lane closures and congestion while crews complete the interchange. The anticipated completion date is late November – weather permitting. Download the Phase 3 Detour Map (PDF)
Note: The dates and timeline are subject to change.
The existing interchange was built in 1965 without dedicated left turn lanes – and the area has seen considerable development over the past 53 years. As a result, this interchange has experienced daily congestion and has averaged 33 crashes per year over the past five years. The proposed project would improve public safety and reduce congestion by constructing a wider bridge that can accommodate dedicated left turn lanes onto I-494.
Though the bridge is not city-owned infrastructure, the city has partnered with Hennepin County and MnDOT to complete the project.
Open House No. 1 – April 2018
An open house was held April 17, 2018 to display the preliminary plans. City, county and MnDOT staff were on hand to discuss options, receive feedback and answer questions on the proposed project. View the Open House Presentation Boards (PDF).
Open House No. 2 – January 2019
A second open house was held Jan. 16, 2019 to share draft plans for replacing the bridge and improving adjacent intersections, as well as associated traffic detours and construction schedules. Staff from the city, county and MnDOT were available to hear comments, take suggestions and answer questions. The following materials were displayed at the open house:
Plymouth City Hall | 3400 Plymouth Blvd. | Plymouth, MN 55447-1482
P 763-509-5500 | F 763-509-5510 | firstname.lastname@example.org
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All construction activities are scheduled to be wrapped up by Nov. 20. Remaining construction items will be completed in the spring of 2020.
11/07/2019 5:36 pm
One lane will be open to traffic in either direction on the bridge. Motorists crossing the bridge should expect congestion and delays.
10/04/2019 8:52 am