US Bridges

West River RD/639 over Roanoke River

Good

Roanoke County, Virginia · 0.75-RT 734; 0.90-RT 649 · Structure no. 000000000015041

Built
1989
36 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
493 ft
7 main spans
Daily traffic
276
2022 count
Owner
State
State Highway Agency

About this bridge

West River RD/639 over Roanoke River is a steel stringer/multi-beam or girder carrying West River RD/639 over Roanoke River in Roanoke County, Virginia. It was built in 1989, so it is 36 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 276 vehicles a day, roughly 1% of them trucks, projected to reach 308 by 2042. The structure is 493 ft (150.2 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest River RD/639
CrossesRoanoke River
Location0.75-RT 734; 0.90-RT 649
RouteCounty Highway 639
Coordinates37.24523, -80.15056
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length493 ft (150.2 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2022)
Projected traffic308 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-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 West River RD/639 over Roanoke River built?

It was built in 1989, making it 36 years old in 2025.

What condition is West River RD/639 over Roanoke River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does West River RD/639 over Roanoke River carry?

About 276 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is West River RD/639 over Roanoke River?

The structure is 493 ft (150.2 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns West River RD/639 over Roanoke River?

It is owned by the State Highway Agency.