Trap Road over Service Underpass
GoodFairfax County, Virginia · 1 Mile South of Route 7 · Structure no. 3800001P0000000
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected December 2024
- Type
- Frame
- Concrete
- Length
- 20 ft
- 1 main span
- Daily traffic
- 240
- 2022 count
- Owner
- Federal
- National Park Service
About this bridge
Trap Road over Service Underpass is a concrete frame carrying Trap Road over Service Underpass in Fairfax County, Virginia. It was built in 1966, so it is 59 years old, older than the Virginia average of 50.7 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 240 vehicles a day, projected to reach 300 by 2032. The structure is 20 ft (6.1 m) long and 182 ft wide.
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 |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Trap Road over Service Underpass built?
It was built in 1966, making it 59 years old in 2025.
What condition is Trap Road over Service Underpass 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 December 2024.
How much traffic does Trap Road over Service Underpass carry?
About 240 vehicles per day (2022 count).
How long is Trap Road over Service Underpass?
The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 182 ft wide.
Who owns Trap Road over Service Underpass?
It is owned by the National Park Service.