US Bridges

Thorny Branch RD over Tributary North River

Fair

Augusta County, Virginia · 0.60 Rt 730-0.01 Augusta · Structure no. 000000000028347

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
147
2016 count
Owner
State
State Highway Agency

About this bridge

Thorny Branch RD over Tributary North River is a concrete culvert carrying Thorny Branch RD over Tributary North River in Augusta County, Virginia. It was built in 1996, so it is 29 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 147 vehicles a day, projected to reach 196 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesThorny Branch RD
CrossesTributary North River
Location0.60 Rt 730-0.01 Augusta
RouteCounty Highway 731
CountyAugusta County
StateVirginia
Coordinates38.40716, -79.09731
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2016)
Projected traffic196 by 2042
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 Thorny Branch RD over Tributary North River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Thorny Branch RD over Tributary North 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 2024.

How much traffic does Thorny Branch RD over Tributary North River carry?

About 147 vehicles per day (2016 count).

How long is Thorny Branch RD over Tributary North River?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m).

Who owns Thorny Branch RD over Tributary North River?

It is owned by the State Highway Agency.