US Bridges

State Line RD 643 over Scott Branch

Good

Giles County, Virginia · 0.00-W. Va; 0.30-RT644 · Structure no. 000000000008439

Built
1968
57 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
39
2008 count
Owner
State
State Highway Agency

About this bridge

State Line RD 643 over Scott Branch is a concrete culvert carrying State Line RD 643 over Scott Branch in Giles County, Virginia. It was built in 1968, so it is 57 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 39 vehicles a day, projected to reach 72 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesState Line RD 643
CrossesScott Branch
Location0.00-W. Va; 0.30-RT644
RouteCity Street 643
CountyGiles County
StateVirginia
Coordinates37.39498, -80.7941
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2008)
Projected traffic72 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$610 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Line RD 643 over Scott Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is State Line RD 643 over Scott Branch 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 May 2023.

How much traffic does State Line RD 643 over Scott Branch carry?

About 39 vehicles per day (2008 count).

How long is State Line RD 643 over Scott Branch?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m).

Who owns State Line RD 643 over Scott Branch?

It is owned by the State Highway Agency.