US Bridges

640 (river Mtn Rd) over Big Cedar Creek

Good

Russell County, Virginia · .37M to 740 & .98MTO 721 · Structure no. 000000000016444

Built
1966
59 years old, rebuilt 2016
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
2 main spans
Daily traffic
281
2015 count
Owner
State
State Highway Agency

About this bridge

640 (river Mtn Rd) over Big Cedar Creek is a steel stringer/multi-beam or girder carrying 640 (river Mtn Rd) over Big Cedar Creek in Russell County, Virginia. It was built in 1966 and reconstructed in 2016, so it is 59 years old, older 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 281 vehicles a day, projected to reach 422 by 2042. The structure is 84 ft (25.6 m) long and 18 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Carries640 (river Mtn Rd)
CrossesBig Cedar Creek
Location.37M to 740 & .98MTO 721
RouteCounty Highway 640
Coordinates36.93576, -82.06236
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating65 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span44 ft (13.4 m)
Deck width18 ft (5.6 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2015)
Projected traffic422 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 640 (river Mtn Rd) over Big Cedar Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2016.

What condition is 640 (river Mtn Rd) over Big Cedar Creek 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 June 2024.

How much traffic does 640 (river Mtn Rd) over Big Cedar Creek carry?

About 281 vehicles per day (2015 count).

How long is 640 (river Mtn Rd) over Big Cedar Creek?

The structure is 84 ft (25.6 m) long with a longest span of 44 ft (13.4 m) and a deck 18 ft wide.

Who owns 640 (river Mtn Rd) over Big Cedar Creek?

It is owned by the State Highway Agency.