US Bridges

81 Sbl over Looney Mill Creek

Fair

Botetourt County, Virginia · 2.46 Rt 11N; 0.17 Rt 11S · Structure no. 000000000003234

Built
1963
62 years old, rebuilt 2004
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
259 ft
3 main spans
Daily traffic
20,059
2022 count
Owner
State
State Highway Agency

About this bridge

81 Sbl over Looney Mill Creek is a steel stringer/multi-beam or girder carrying 81 Sbl over Looney Mill Creek in Botetourt County, Virginia. It was built in 1963 and reconstructed in 2004, 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 20,059 vehicles a day, roughly 1% of them trucks, projected to reach 24,504 by 2042. The structure is 259 ft (78.9 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries81 Sbl
CrossesLooney Mill Creek
Location2.46 Rt 11N; 0.17 Rt 11S
RouteInterstate 81
Coordinates37.49807, -79.75104
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating55 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length259 ft (78.9 m)
Longest span88 ft (26.8 m)
Deck width58 ft (17.8 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,059 (2022)
Projected traffic24,504 by 2042
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 81 Sbl over Looney Mill Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2004.

What condition is 81 Sbl over Looney Mill Creek 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 October 2024.

How much traffic does 81 Sbl over Looney Mill Creek carry?

About 20,059 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is 81 Sbl over Looney Mill Creek?

The structure is 259 ft (78.9 m) long with a longest span of 88 ft (26.8 m) and a deck 58 ft wide.

Who owns 81 Sbl over Looney Mill Creek?

It is owned by the State Highway Agency.