US Bridges

Route 331 over Trib Blacks Run

Good

Rockingham County, Virginia · 0.56 Rt 659 - 0.48 Rt 11 · Structure no. 000000000020468

Built
1972
53 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
500
1985 count
Owner
State
State Highway Agency

About this bridge

Route 331 over Trib Blacks Run is a concrete culvert carrying Route 331 over Trib Blacks Run in Rockingham County, Virginia. It was built in 1972, so it is 53 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2042. The structure is 30 ft (9.1 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRoute 331
CrossesTrib Blacks Run
Location0.56 Rt 659 - 0.48 Rt 11
RouteInterstate 331
Coordinates38.43709, -78.87013
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width52 ft (15.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1985)
Projected traffic1,000 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Route 331 over Trib Blacks Run built?

It was built in 1972, making it 53 years old in 2025.

What condition is Route 331 over Trib Blacks Run 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 2024.

How much traffic does Route 331 over Trib Blacks Run carry?

About 500 vehicles per day (1985 count), of which roughly 1% are trucks.

How long is Route 331 over Trib Blacks Run?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns Route 331 over Trib Blacks Run?

It is owned by the State Highway Agency.