US Bridges

Nbl Route 0081 over NS Railway & Roanoke Rv

Fair

Montgomery County, Virginia · 1.93-ROKE CO 10.06-RT11 · Structure no. 000000000012143

Built
1970
55 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
347 ft
4 main spans
Daily traffic
25,324
2022 count
Owner
State
State Highway Agency

About this bridge

Nbl Route 0081 over NS Railway & Roanoke Rv is a steel stringer/multi-beam or girder carrying Nbl Route 0081 over NS Railway & Roanoke Rv 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 25,324 vehicles a day, roughly 1% of them trucks, projected to reach 30,162 by 2042. The structure is 347 ft (105.8 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNbl Route 0081
CrossesNS Railway & Roanoke Rv
Location1.93-ROKE CO 10.06-RT11
RouteInterstate 81
Coordinates37.23502, -80.2359
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length347 ft (105.8 m)
Longest span125 ft (38.1 m)
Deck width56 ft (17.1 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,324 (2022)
Projected traffic30,162 by 2042
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$836.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Nbl Route 0081 over NS Railway & Roanoke Rv built?

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

What condition is Nbl Route 0081 over NS Railway & Roanoke Rv 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 January 2024.

How much traffic does Nbl Route 0081 over NS Railway & Roanoke Rv carry?

About 25,324 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Nbl Route 0081 over NS Railway & Roanoke Rv?

The structure is 347 ft (105.8 m) long with a longest span of 125 ft (38.1 m) and a deck 56 ft wide.

Who owns Nbl Route 0081 over NS Railway & Roanoke Rv?

It is owned by the State Highway Agency.