US Bridges

Twin Branch Rd. over Slate Creek

Fair

Buchanan County, Virginia · 0.0-RTE. 83; 0.0-DEAD End · Structure no. 000000000029705

Built
1932
93 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
4 main spans
Daily traffic
60
2011 count
Owner
County
County Highway Agency

About this bridge

Twin Branch Rd. over Slate Creek is a steel stringer/multi-beam or girder carrying Twin Branch Rd. over Slate Creek in Buchanan County, Virginia. It was built in 1932, so it is 93 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 60 vehicles a day, projected to reach 90 by 2041. The structure is 58 ft (17.7 m) long and 13 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesTwin Branch Rd.
CrossesSlate Creek
Location0.0-RTE. 83; 0.0-DEAD End
RouteCity Street 3125
CountyBuchanan County
StateVirginia
Coordinates37.31302, -81.97892
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span19 ft (5.7 m)
Deck width13 ft (3.9 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2011)
Projected traffic90 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$682 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Twin Branch Rd. over Slate Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Twin Branch Rd. over Slate Creek 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 Twin Branch Rd. over Slate Creek carry?

About 60 vehicles per day (2011 count).

How long is Twin Branch Rd. over Slate Creek?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.7 m) and a deck 13 ft wide.

Who owns Twin Branch Rd. over Slate Creek?

It is owned by the County Highway Agency.