US Bridges

Nbl Route 0081 over NS Railway & RTE 641

Fair

Montgomery County, Virginia · 9.62-ROAKE Co; 2.37-RT11 · Structure no. 000000000012139

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
174 ft
2 main spans
Daily traffic
27,266
2022 count
Owner
State
State Highway Agency

About this bridge

Nbl Route 0081 over NS Railway & RTE 641 is a steel continuous stringer/multi-beam or girder carrying Nbl Route 0081 over NS Railway & RTE 641 in Montgomery County, Virginia. It was built in 1970, so it is 55 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 5 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 27,266 vehicles a day, roughly 1% of them trucks, projected to reach 29,814 by 2042. The structure is 174 ft (53 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNbl Route 0081
CrossesNS Railway & RTE 641
Location9.62-ROAKE Co; 2.37-RT11
RouteInterstate 81
Coordinates37.15749, -80.32363
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating46 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length174 ft (53 m)
Longest span87 ft (26.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,266 (2022)
Projected traffic29,814 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 Nbl Route 0081 over NS Railway & RTE 641 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nbl Route 0081 over NS Railway & RTE 641 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 March 2024.

How much traffic does Nbl Route 0081 over NS Railway & RTE 641 carry?

About 27,266 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Nbl Route 0081 over NS Railway & RTE 641?

The structure is 174 ft (53 m) long with a longest span of 87 ft (26.5 m) and a deck 42 ft wide.

Who owns Nbl Route 0081 over NS Railway & RTE 641?

It is owned by the State Highway Agency.