US Bridges

Sbl Route I-81 over Old Dominion Road

Fair

Washington County, Virginia · 1.61 Fr. 658; 0.97 to 11 · Structure no. 000000000018946

Built
1963
62 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
35 ft
1 main span
Daily traffic
25,536
2022 count
Owner
State
State Highway Agency

About this bridge

Sbl Route I-81 over Old Dominion Road is a concrete frame carrying Sbl Route I-81 over Old Dominion Road in Washington County, Virginia. It was built in 1963, so it is 62 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 25,536 vehicles a day, roughly 1% of them trucks, projected to reach 26,198 by 2042. The structure is 35 ft (10.7 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSbl Route I-81
CrossesOld Dominion Road
Location1.61 Fr. 658; 0.97 to 11
RouteInterstate 81
CountyWashington County
StateVirginia
Coordinates36.64116, -82.09631
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width44 ft (13.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,536 (2022)
Projected traffic26,198 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$182.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sbl Route I-81 over Old Dominion Road built?

It was built in 1963, making it 62 years old in 2025.

What condition is Sbl Route I-81 over Old Dominion Road 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 Sbl Route I-81 over Old Dominion Road carry?

About 25,536 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sbl Route I-81 over Old Dominion Road?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 44 ft wide.

Who owns Sbl Route I-81 over Old Dominion Road?

It is owned by the State Highway Agency.