US Bridges

INTERSTATE-85 Nbl over Unnamed Tributary

Fair

Dinwiddie County, Virginia · 5.50 FR 703 & 2.10 to 460 · Structure no. 000000000005973

Built
1968
57 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
14,779
2022 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-85 Nbl over Unnamed Tributary is a concrete culvert carrying INTERSTATE-85 Nbl over Unnamed Tributary in Dinwiddie 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 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 14,779 vehicles a day, projected to reach 16,278 by 2045. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-85 Nbl
CrossesUnnamed Tributary
Location5.50 FR 703 & 2.10 to 460
RouteInterstate 85
CountyDinwiddie County
StateVirginia
Coordinates37.15737, -77.50787
Functional classUrban Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,779 (2022)
Projected traffic16,278 by 2045
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 INTERSTATE-85 Nbl over Unnamed Tributary built?

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

What condition is INTERSTATE-85 Nbl over Unnamed Tributary 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 January 2023.

How much traffic does INTERSTATE-85 Nbl over Unnamed Tributary carry?

About 14,779 vehicles per day (2022 count).

How long is INTERSTATE-85 Nbl over Unnamed Tributary?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns INTERSTATE-85 Nbl over Unnamed Tributary?

It is owned by the State Highway Agency.