US Bridges

Riverridgerd 639 over Little River

Fair

Floyd County, Virginia · 0.80 Rt 651; 0.20 Rt 664 · Structure no. 000000000007543

Built
1977
48 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
387
2022 count
Owner
State
State Highway Agency

About this bridge

Riverridgerd 639 over Little River is a prestressed concrete tee beam carrying Riverridgerd 639 over Little River in Floyd County, Virginia. It was built in 1977, so it is 48 years old, younger 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 387 vehicles a day, projected to reach 432 by 2045. The structure is 122 ft (37.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRiverridgerd 639
CrossesLittle River
Location0.80 Rt 651; 0.20 Rt 664
RouteCounty Highway 639
CountyFloyd County
StateVirginia
Coordinates36.97963, -80.17831
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating85 US tons
Inventory rating54 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.2 m)
Longest span41 ft (12.5 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2022)
Projected traffic432 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Riverridgerd 639 over Little River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Riverridgerd 639 over Little 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 2023.

How much traffic does Riverridgerd 639 over Little River carry?

About 387 vehicles per day (2022 count).

How long is Riverridgerd 639 over Little River?

The structure is 122 ft (37.2 m) long with a longest span of 41 ft (12.5 m) and a deck 32 ft wide.

Who owns Riverridgerd 639 over Little River?

It is owned by the State Highway Agency.