Route 37 Sbl over I-81
FairFrederick County, Virginia · 0.30 to 642 - 0.25 to 11 · Structure no. 000000000008080
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 250 ft
- 4 main spans
- Daily traffic
- 9,111
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 37 Sbl over I-81 is a prestressed concrete stringer/multi-beam or girder carrying Route 37 Sbl over I-81 in Frederick County, Virginia. It was built in 1977, so it is 48 years old, younger than the Virginia average of 50.7 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 9,111 vehicles a day, roughly 6% of them trucks, projected to reach 15,298 by 2042. The structure is 250 ft (76.2 m) long and 42 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 | 7 Good | Some minor problems. |
| 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 Route 37 Sbl over I-81 built?
It was built in 1977, making it 48 years old in 2025.
What condition is Route 37 Sbl over I-81 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 May 2024.
How much traffic does Route 37 Sbl over I-81 carry?
About 9,111 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Route 37 Sbl over I-81?
The structure is 250 ft (76.2 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.
Who owns Route 37 Sbl over I-81?
It is owned by the State Highway Agency.