US Bridges

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

Fair

Dinwiddie County, Virginia · 0.7 FR Rt. 1 & 1.1 to 460 · Structure no. 000000000005959

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
20,880
2022 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-85 Sbl over Sterling Road (rte. 603) is a steel stringer/multi-beam or girder carrying INTERSTATE-85 Sbl 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 5 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 20,880 vehicles a day, roughly 1% of them trucks, projected to reach 27,036 by 2042. The structure is 162 ft (49.5 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 Sbl
CrossesSterling Road (rte. 603)
Location0.7 FR Rt. 1 & 1.1 to 460
RouteInterstate 85
CountyDinwiddie County
StateVirginia
Coordinates37.19771, -77.47639
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating86 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length162 ft (49.5 m)
Longest span56 ft (17 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,880 (2022)
Projected traffic27,036 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
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—
NavigationNot applicable (no waterway)

Frequently asked questions

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

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

What condition is INTERSTATE-85 Sbl 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 Sbl over Sterling Road (rte. 603) carry?

About 20,880 vehicles per day (2022 count), of which roughly 1% are trucks.

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

The structure is 162 ft (49.5 m) long with a longest span of 56 ft (17 m) and a deck 42 ft wide.

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

It is owned by the State Highway Agency.