US Bridges

North Main Street over M Fork Holston River @

Fair

Smyth County, Virginia · 1.57 M.Wcl 1.8 M.Ecl · Structure no. 000000000020613

Built
1941
84 years old, rebuilt 1983
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Other
Length
94 ft
1 main span
Daily traffic
12,936
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

North Main Street over M Fork Holston River @ is a other stringer/multi-beam or girder carrying North Main Street over M Fork Holston River @ in Smyth County, Virginia. It was built in 1941 and reconstructed in 1983, so it is 84 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 12,936 vehicles a day, projected to reach 14,424 by 2045. The structure is 94 ft (28.7 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth Main Street
CrossesM Fork Holston River @
Location1.57 M.Wcl 1.8 M.Ecl
RouteU.S. Route 11
Coordinates36.83884, -81.51282
Functional classUrban Minor Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26 US tons

Structure

MaterialOther
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span92 ft (28 m)
Deck width78 ft (23.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,936 (2022)
Projected traffic14,424 by 2045
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$746.4 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North Main Street over M Fork Holston River @ built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1983.

What condition is North Main Street over M Fork Holston River @ 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 October 2023.

How much traffic does North Main Street over M Fork Holston River @ carry?

About 12,936 vehicles per day (2022 count).

How long is North Main Street over M Fork Holston River @?

The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28 m) and a deck 78 ft wide.

Who owns North Main Street over M Fork Holston River @?

It is owned by the Town or Township Highway Agency.