US Bridges

81 Nbl over Looney Mill Creek

Fair

Botetourt County, Virginia · 2.47 Rt 11N; 0.16 Rt 11S · Structure no. 000000000003235

Built
1963
62 years old, rebuilt 2004
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
3 main spans
Daily traffic
20,975
2022 count
Owner
State
State Highway Agency

About this bridge

81 Nbl over Looney Mill Creek is a steel stringer/multi-beam or girder carrying 81 Nbl 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 20,975 vehicles a day, roughly 1% of them trucks, projected to reach 24,146 by 2042. The structure is 252 ft (76.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries81 Nbl
CrossesLooney Mill Creek
Location2.47 Rt 11N; 0.16 Rt 11S
RouteInterstate 81
Coordinates37.49808, -79.75072
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 protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span85 ft (25.9 m)
Deck width58 ft (17.8 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,975 (2022)
Projected traffic24,146 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Nbl 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 Nbl 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 Nbl over Looney Mill Creek carry?

About 20,975 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is 81 Nbl over Looney Mill Creek?

The structure is 252 ft (76.8 m) long with a longest span of 85 ft (25.9 m) and a deck 58 ft wide.

Who owns 81 Nbl over Looney Mill Creek?

It is owned by the State Highway Agency.