Southwest Freeway over South Capitol Street
FairDistrict of Columbia, District of Columbia · S Capitol ST & SW Fre · Structure no. 1104(RAMP G)
- Built
- 1964
- 61 years old, rebuilt 1991
- Condition
- Fair
- inspected March 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 640 ft
- 7 main spans
- Daily traffic
- 24,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Southwest Freeway over South Capitol Street is a steel girder and floorbeam system carrying Southwest Freeway over South Capitol Street in District of Columbia, District of Columbia. It was built in 1964 and reconstructed in 1991, so it is 61 years old, younger 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 24,000 vehicles a day, roughly 5% of them trucks, projected to reach 30,000 by 2028. The structure is 640 ft (195.1 m) long and 36 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 Southwest Freeway over South Capitol Street built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.
What condition is Southwest Freeway over South Capitol Street 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 March 2023.
How much traffic does Southwest Freeway over South Capitol Street carry?
About 24,000 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is Southwest Freeway over South Capitol Street?
The structure is 640 ft (195.1 m) long with a longest span of 221 ft (67.4 m) and a deck 36 ft wide.
Who owns Southwest Freeway over South Capitol Street?
It is owned by the State Highway Agency.