Lenfant Promenade over D Street S.W.
FairDistrict of Columbia, District of Columbia · 10th Street S.W. · Structure no. 1114
- Built
- 1961
- 64 years old, rebuilt 2014
- Condition
- Fair
- inspected April 2024
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 729 ft
- 22 main spans
- Daily traffic
- 7,500
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
Lenfant Promenade over D Street S.W. is a steel continuous girder and floorbeam system carrying Lenfant Promenade over D Street S.W. in District of Columbia, District of Columbia. It was built in 1961 and reconstructed in 2014, 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 6 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 7,500 vehicles a day, roughly 1% of them trucks, projected to reach 8,000 by 2027. The structure is 729 ft (222.2 m) long and 166 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lenfant Promenade over D Street S.W. built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2014.
What condition is Lenfant Promenade over D Street S.W. 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 April 2024.
How much traffic does Lenfant Promenade over D Street S.W. carry?
About 7,500 vehicles per day (2007 count), of which roughly 1% are trucks.
How long is Lenfant Promenade over D Street S.W.?
The structure is 729 ft (222.2 m) long with a longest span of 87 ft (26.5 m) and a deck 166 ft wide.
Who owns Lenfant Promenade over D Street S.W.?
It is owned by the State Highway Agency.