US Bridges

I-81 Sbl over Rt 611 & Spring Creek

Fair

Washington County, Virginia · 3.13 to 11; 1.87 FR 647 · Structure no. 000000000018910

Built
1961
64 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
172 ft
4 main spans
Daily traffic
25,002
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 Sbl over Rt 611 & Spring Creek is a concrete tee beam carrying I-81 Sbl over Rt 611 & Spring Creek in Washington County, Virginia. It was built in 1961 and reconstructed in 1989, so it is 64 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 25,002 vehicles a day, roughly 1% of them trucks, projected to reach 27,895 by 2042. The structure is 172 ft (52.4 m) long and 44 ft wide.

CarriesI-81 Sbl
CrossesRt 611 & Spring Creek
Location3.13 to 11; 1.87 FR 647
RouteInterstate 81
Coordinates36.67795, -82.04001
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.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span45 ft (13.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,002 (2022)
Projected traffic27,895 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
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 I-81 Sbl over Rt 611 & Spring Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1989.

What condition is I-81 Sbl over Rt 611 & Spring Creek 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 I-81 Sbl over Rt 611 & Spring Creek carry?

About 25,002 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-81 Sbl over Rt 611 & Spring Creek?

The structure is 172 ft (52.4 m) long with a longest span of 45 ft (13.7 m) and a deck 44 ft wide.

Who owns I-81 Sbl over Rt 611 & Spring Creek?

It is owned by the State Highway Agency.