US Bridges

Sbl Route 0081 over RTE 648

Fair

Botetourt County, Virginia · 0028ROANOK CO0279220 · Structure no. 000000000003226

Built
1963
62 years old, rebuilt 1992
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
106 ft
3 main spans
Daily traffic
29,315
2022 count
Owner
State
State Highway Agency

About this bridge

Sbl Route 0081 over RTE 648 is a concrete tee beam carrying Sbl Route 0081 over RTE 648 in Botetourt County, Virginia. It was built in 1963 and reconstructed in 1992, so it is 62 years old, older 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 29,315 vehicles a day, roughly 1% of them trucks, projected to reach 29,856 by 2042. The structure is 106 ft (32.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSbl Route 0081
CrossesRTE 648
Location0028ROANOK CO0279220
RouteInterstate 81
Coordinates37.36462, -79.9402
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span37 ft (11.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,315 (2022)
Projected traffic29,856 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sbl Route 0081 over RTE 648 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1992.

What condition is Sbl Route 0081 over RTE 648 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 Sbl Route 0081 over RTE 648 carry?

About 29,315 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sbl Route 0081 over RTE 648?

The structure is 106 ft (32.3 m) long with a longest span of 37 ft (11.3 m) and a deck 44 ft wide.

Who owns Sbl Route 0081 over RTE 648?

It is owned by the State Highway Agency.