US Bridges

INTERSTATE-85 Nbl over Sterling Road (rte. 603)

Fair

Dinwiddie County, Virginia · 1.1 FR 460 & 0.7 to Rt. 1 · Structure no. 000000000005957

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
21,316
2022 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-85 Nbl over Sterling Road (rte. 603) is a steel stringer/multi-beam or girder carrying INTERSTATE-85 Nbl over Sterling Road (rte. 603) 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 21,316 vehicles a day, roughly 1% of them trucks, projected to reach 27,710 by 2042. The structure is 182 ft (55.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-85 Nbl
CrossesSterling Road (rte. 603)
Location1.1 FR 460 & 0.7 to Rt. 1
RouteInterstate 85
CountyDinwiddie County
StateVirginia
Coordinates37.19753, -77.47614
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.7 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span62 ft (18.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,316 (2022)
Projected traffic27,710 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was INTERSTATE-85 Nbl over Sterling Road (rte. 603) built?

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

What condition is INTERSTATE-85 Nbl over Sterling Road (rte. 603) 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 March 2024.

How much traffic does INTERSTATE-85 Nbl over Sterling Road (rte. 603) carry?

About 21,316 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is INTERSTATE-85 Nbl over Sterling Road (rte. 603)?

The structure is 182 ft (55.5 m) long with a longest span of 62 ft (18.8 m) and a deck 42 ft wide.

Who owns INTERSTATE-85 Nbl over Sterling Road (rte. 603)?

It is owned by the State Highway Agency.