Thank you for signing up for the Long Bridge Project updates. This monthly construction update is intended to keep you informed on upcoming construction activities, travel impacts, and progress.  

Bridge Foundation Construction



Construction is advancing from pile driving to concrete work on the DC side of the Long Bridge Project. Concrete pours for the bridge foundations begin in October, marking another major milestone of construction for the Long Bridge Project.

Current Travel Impacts

Visit the Construction Disruptions Map to view all travel impacts. All schedules detailed below are subject to change and weather permitting.

Washington, DC

D Street SW: Temporary daytime westbound lane closures and a pedestrian detour on D Street SW near L'Enfant Plaza, between the 9th Street Expressway overpass and 12th Street SW have been extended through late October 2026, Monday through Friday from 9:30 a.m. to 3:30 p.m. 

Eastbound Maine Avenue SW: Temporary overnight full closures of eastbound Maine Avenue SW, near the Potomac Hotel, have been extended through the end of October 2026, Monday through Saturday from 11:00 p.m. to 5:30 a.m. Signed detours will be in place, and the roadway will reopen each morning.

Northbound 14th Street: Temporary right lane closure on northbound 14th Street near Maine Avenue SW for Friday, September 25 through Monday, October 12, 2026 from 9:30 a.m. to 3:30 p.m. Crews will be moving equipment and installing new traffic cameras.

Ohio Drive SW: Continuation of intermittent daytime single lane closures on Ohio Drive SW, between the Metro Yellow Line Bridge and the existing railroad bridge. Concrete pouring is anticipated on October 10th, and impacts include short-term stoppages from 12:01 a.m. until 12:01 p.m.

I-395:

• Southbound Ramp to Ohio Drive SW: Continuation of temporary traffic stops on the exit ramp from I-395 to Ohio Drive SW through December 2026, Monday through Saturday from 7:00 a.m. to 6:00 p.m. 

• Northbound: Temporary right lane closures from the George Washington Memorial Parkway (Exit 10) in Virginia to East Potomac Park (Exit 2) in DC will continue Monday through Saturday, from 9:30 a.m. to 3:30 p.m. through Saturday, October 17 for the installation of temporary concrete barriers.  

• Southbound: Continuation of intermittent temporary daytime lane closures from East Potomac Park (Exit 2) in DC to the George Washington Memorial Parkway (Exit 10) in Virginia through the end of 2026. 


Virginia



Mount Vernon Trail: The Mount Vernon Trail detour through Gravelly Point remains in place through 2030 to provide safe access around the active construction zone. Trail users should follow posted signage, reduce speeds, and use caution when traveling through the area.

George Washington Memorial Parkway: Intermittent daytime single right lane closures on southbound George Washington Memorial Parkway are anticipated to continue through October 2026.

October Construction Look Ahead

Washington, DC

• Work on the new rail bridge over Maine Avenue SW will continue in October and into late 2026. A new long-term traffic configuration will be implemented along Maine Avenue SW in October to enable pier and abutment work along the south side of the new rail bridge.
• Foundation work for the future rail bridge over I-395 will start in October and continue into late 2026. Expect temporary off-peak lane closures along northbound and southbound I-395. A temporary traffic configuration remains in place on northbound and southbound I-395 between Exit 10 in Virginia and Exit 2 in DC. 
• Pile driving for the new rail bridge over I-395 and retaining wall construction at southbound I-395 near the Exit 2 ramp will continue through October.   
• Crews continue work on the foundation for the new rail bridge over the Washington Channel. This work will be supported by cranes and other heavy equipment on the temporary wooden trestle.   
• Foundation work for a new temporary pedestrian bridge across Maine Avenue is anticipated to begin in Fall 2026. The bridge will be assembled offsite, then crews will lift it into place during a future overnight closure of Maine Avenue SW. The temporary bridge will maintain pedestrian access across Maine Avenue through 2030, and a new permanent pedestrian bridge will be constructed at the end of the project.

Virginia & the Potomac River

• Concrete placement for the new Potomac River rail bridge foundations are anticipated to begin in October.
• Continued crane operations in the Potomac River are supporting pile and pile cap installation. Expect to see more in-water activities through Fall 2027.
• Marine traffic control measures will remain in place throughout construction. Boaters should follow all posted navigational aids and signage and use caution when navigating the area.
• Continued construction of the bridge abutment on land near the Long Bridge Aquatic Center.

Thank You for Staying Informed!

Have any questions or comments? Share them with our project team. Make sure to also follow us on social media for updates throughout the month.

Email: info@longbridgeproject.com 

Phone: (202) 769-1808 

Project Description

The Virginia Passenger Rail Authority’s Long Bridge Project is a 1.8-mile rail improvement that will relieve one of the biggest rail bottlenecks on the East Coast. The project will improve reliability and expand capacity for both passenger and freight trains traveling between Virginia and Washington, DC. 

The project will create a continuous four-track corridor between the Long Bridge Aquatic Center in Arlington and L’Enfant Plaza in DC. It includes five new rail bridges and two new pedestrian/ bicycle bridges. A new two-track rail bridge will be built over the Potomac River next to the existing two-track Long Bridge, along with a new bike and pedestrian bridge connecting Long Bridge Park and the Mount Vernon Trail in Arlington to East Potomac Park in DC.

The Long Bridge Project is one of the Virginia Passenger Rail Authority’s many rail projects across the Commonwealth. Learn more at: www.vapassengerrailauthority.org.

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