Southwest Freeway over Wash Channel & Maine
FairDistrict of Columbia, District of Columbia · SW Frwy & Wash Channe · Structure no. 1113
- Built
- 1961
- 64 years old, rebuilt 1995
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 1,580 ft
- 12 main spans
- Daily traffic
- 183,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Southwest Freeway over Wash Channel & Maine is a steel stringer/multi-beam or girder carrying Southwest Freeway over Wash Channel & Maine in District of Columbia, District of Columbia. It was built in 1961 and reconstructed in 1995, 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 183,000 vehicles a day, roughly 5% of them trucks, projected to reach 183,000 by 2027. The structure is 1,580 ft (481.7 m) long and 122 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Southwest Freeway over Wash Channel & Maine built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1995.
What condition is Southwest Freeway over Wash Channel & Maine 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 June 2024.
How much traffic does Southwest Freeway over Wash Channel & Maine carry?
About 183,000 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is Southwest Freeway over Wash Channel & Maine?
The structure is 1,580 ft (481.7 m) long with a longest span of 116 ft (35.4 m) and a deck 122 ft wide.
Who owns Southwest Freeway over Wash Channel & Maine?
It is owned by the State Highway Agency.