US Bridges

Lenfant Plaza over Railroad

Fair

District of Columbia, District of Columbia · 10th Street S.W. · Structure no. 0517

Built
1961
64 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
2,706
2023 count
Owner
State
State Highway Agency

About this bridge

Lenfant Plaza over Railroad is a prestressed concrete box beam or girders - multiple carrying Lenfant Plaza over Railroad in District of Columbia, District of Columbia. It was built in 1961, so it is 64 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,706 vehicles a day, roughly 1% of them trucks, projected to reach 8,000 by 2027. The structure is 83 ft (25.3 m) long and 166 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLenfant Plaza
CrossesRailroad
Location10th Street S.W.
RouteCity Street 0
CountyDistrict of Columbia
StateDistrict of Columbia
Coordinates38.88531, -77.02599
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating63.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span83 ft (25.3 m)
Deck width166 ft (50.7 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,706 (2023)
Projected traffic8,000 by 2027
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lenfant Plaza over Railroad built?

It was built in 1961, making it 64 years old in 2025.

What condition is Lenfant Plaza over Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Lenfant Plaza over Railroad carry?

About 2,706 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Lenfant Plaza over Railroad?

The structure is 83 ft (25.3 m) long with a longest span of 83 ft (25.3 m) and a deck 166 ft wide.

Who owns Lenfant Plaza over Railroad?

It is owned by the State Highway Agency.