US Bridges

Memorial Avenue over Gwmp (nb) & Potomac Rive

Good

District of Columbia, District of Columbia · 0.3 Miles West of Lincoln · Structure no. 3300016P0000000

Built
1932
93 years old, rebuilt 2020
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
2,162 ft
1 main span
Daily traffic
60,300
2013 count
Owner
Federal
National Park Service

About this bridge

Memorial Avenue over Gwmp (nb) & Potomac Rive is a steel stringer/multi-beam or girder carrying Memorial Avenue over Gwmp (nb) & Potomac Rive in District of Columbia, District of Columbia. It was built in 1932 and reconstructed in 2020, so it is 93 years old, older than the District of Columbia average of 63.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60,300 vehicles a day, roughly 1% of them trucks, projected to reach 66,330 by 2033. The structure is 2,162 ft (659 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMemorial Avenue
CrossesGwmp (nb) & Potomac Rive
Location0.3 Miles West of Lincoln
RouteFederal Lands Road 2
Coordinates38.88733, -77.05542
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadH 20
Structure length2,162 ft (659 m)
Longest span225 ft (68.6 m)
Deck width96 ft (29.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,300 (2013)
Projected traffic66,330 by 2033
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$75,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Memorial Avenue over Gwmp (nb) & Potomac Rive built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2020.

What condition is Memorial Avenue over Gwmp (nb) & Potomac Rive in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Memorial Avenue over Gwmp (nb) & Potomac Rive carry?

About 60,300 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Memorial Avenue over Gwmp (nb) & Potomac Rive?

The structure is 2,162 ft (659 m) long with a longest span of 225 ft (68.6 m) and a deck 96 ft wide.

Who owns Memorial Avenue over Gwmp (nb) & Potomac Rive?

It is owned by the National Park Service.