US Bridges

730-WASHINGTON Ave over Interstate 81

Fair

Smyth County, Virginia · .11 R11 & .12 to Dead End · Structure no. 000000000017710

Built
1962
63 years old, rebuilt 2008
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
217 ft
4 main spans
Daily traffic
1,458
2022 count
Owner
State
State Highway Agency

About this bridge

730-WASHINGTON Ave over Interstate 81 is a steel stringer/multi-beam or girder carrying 730-WASHINGTON Ave over Interstate 81 in Smyth County, Virginia. It was built in 1962 and reconstructed in 2008, so it is 63 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 1,458 vehicles a day, projected to reach 1,626 by 2042. The structure is 217 ft (66.2 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries730-WASHINGTON Ave
CrossesInterstate 81
Location.11 R11 & .12 to Dead End
RouteCounty Highway 730
Coordinates36.82193, -81.53647
Functional classUrban Collector

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.
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 inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length217 ft (66.2 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,458 (2022)
Projected traffic1,626 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$156 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 730-WASHINGTON Ave over Interstate 81 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2008.

What condition is 730-WASHINGTON Ave over Interstate 81 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 May 2024.

How much traffic does 730-WASHINGTON Ave over Interstate 81 carry?

About 1,458 vehicles per day (2022 count).

How long is 730-WASHINGTON Ave over Interstate 81?

The structure is 217 ft (66.2 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns 730-WASHINGTON Ave over Interstate 81?

It is owned by the State Highway Agency.