Gwmp over Boundary Channel
GoodDistrict of Columbia, District of Columbia · 0.3 Miles North of I-395. · Structure no. 3300020P0000000
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected April 2023
- Type
- Arch - Deck
- Prestressed Concrete
- Length
- 244 ft
- 1 main span
- Daily traffic
- 33,452
- 2022 count
- Owner
- Federal
- National Park Service
About this bridge
Gwmp over Boundary Channel is a prestressed concrete arch - deck carrying Gwmp over Boundary Channel in District of Columbia, District of Columbia. It was built in 2012, so it is 13 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 33,452 vehicles a day, roughly 1% of them trucks, projected to reach 40,143 by 2042. The structure is 244 ft (74.4 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Gwmp over Boundary Channel built?
It was built in 2012, making it 13 years old in 2025.
What condition is Gwmp over Boundary Channel in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does Gwmp over Boundary Channel carry?
About 33,452 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Gwmp over Boundary Channel?
The structure is 244 ft (74.4 m) long with a longest span of 108 ft (32.9 m) and a deck 90 ft wide.
Who owns Gwmp over Boundary Channel?
It is owned by the National Park Service.