US Bridges

Roanoke RD/460 Wbl over South Fork Roanoke River

Fair

Montgomery County, Virginia · 01.94-RKE Co; 10.97-I81 · Structure no. 000000000012121

Built
1950
75 years old, rebuilt 2002
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
259 ft
5 main spans
Daily traffic
4,894
2022 count
Owner
State
State Highway Agency

About this bridge

Roanoke RD/460 Wbl over South Fork Roanoke River is a steel stringer/multi-beam or girder carrying Roanoke RD/460 Wbl over South Fork Roanoke River in Montgomery County, Virginia. It was built in 1950 and reconstructed in 2002, so it is 75 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 4,894 vehicles a day, projected to reach 5,458 by 2042. The structure is 259 ft (79 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoanoke RD/460 Wbl
CrossesSouth Fork Roanoke River
Location01.94-RKE Co; 10.97-I81
RouteU.S. Route 11
Coordinates37.22079, -80.22707
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length259 ft (79 m)
Longest span70 ft (21.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,894 (2022)
Projected traffic5,458 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Roanoke RD/460 Wbl over South Fork Roanoke River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2002.

What condition is Roanoke RD/460 Wbl over South Fork Roanoke River 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 September 2024.

How much traffic does Roanoke RD/460 Wbl over South Fork Roanoke River carry?

About 4,894 vehicles per day (2022 count).

How long is Roanoke RD/460 Wbl over South Fork Roanoke River?

The structure is 259 ft (79 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.

Who owns Roanoke RD/460 Wbl over South Fork Roanoke River?

It is owned by the State Highway Agency.