Washington Blvd over Gwmp (sb) Boundary Chan
FairDistrict of Columbia, District of Columbia · 0.9 Miles North of I-395. · Structure no. 3300018P0000000
- Built
- 1943
- 82 years old, rebuilt 1988
- Condition
- Fair
- inspected April 2023
- Type
- Arch - Deck
- Concrete
- Length
- 323 ft
- 3 main spans
- Daily traffic
- 23,700
- 2013 count
- Owner
- Federal
- National Park Service
About this bridge
Washington Blvd over Gwmp (sb) Boundary Chan is a concrete arch - deck carrying Washington Blvd over Gwmp (sb) Boundary Chan in District of Columbia, District of Columbia. It was built in 1943 and reconstructed in 1988, so it is 82 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 23,700 vehicles a day, roughly 1% of them trucks, projected to reach 26,070 by 2033. The structure is 323 ft (98.3 m) long and 99 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Washington Blvd over Gwmp (sb) Boundary Chan built?
It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1988.
What condition is Washington Blvd over Gwmp (sb) Boundary Chan 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 2023.
How much traffic does Washington Blvd over Gwmp (sb) Boundary Chan carry?
About 23,700 vehicles per day (2013 count), of which roughly 1% are trucks.
How long is Washington Blvd over Gwmp (sb) Boundary Chan?
The structure is 323 ft (98.3 m) long with a longest span of 90 ft (27.4 m) and a deck 99 ft wide.
Who owns Washington Blvd over Gwmp (sb) Boundary Chan?
It is owned by the National Park Service.