US Bridges

Sbl Route 0081 over NS Railway & Roanoke Rv

Fair

Montgomery County, Virginia · 10.04-RT11; 1.95-ROANO--C · Structure no. 000000000012144

Built
1970
55 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
325 ft
4 main spans
Daily traffic
26,097
2022 count
Owner
State
State Highway Agency

About this bridge

Sbl Route 0081 over NS Railway & Roanoke Rv is a steel stringer/multi-beam or girder carrying Sbl 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 26,097 vehicles a day, roughly 1% of them trucks, projected to reach 27,629 by 2042. The structure is 325 ft (99.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSbl Route 0081
CrossesNS Railway & Roanoke Rv
Location10.04-RT11; 1.95-ROANO--C
RouteInterstate 81
Coordinates37.23495, -80.23632
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length325 ft (99.1 m)
Longest span116 ft (35.4 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,097 (2022)
Projected traffic27,629 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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 Sbl Route 0081 over NS Railway & Roanoke Rv built?

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

What condition is Sbl 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 Sbl Route 0081 over NS Railway & Roanoke Rv carry?

About 26,097 vehicles per day (2022 count), of which roughly 1% are trucks.

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

The structure is 325 ft (99.1 m) long with a longest span of 116 ft (35.4 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.