US Bridges

East Main Street over NF Holston River

Fair

Smyth County, Virginia · 1.13ECL.SALTV;2.24WASH.CL · Structure no. 000000000017502

Built
1957
68 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
3 main spans
Daily traffic
2,152
2022 count
Owner
State
State Highway Agency

About this bridge

East Main Street over NF Holston River is a steel stringer/multi-beam or girder carrying East Main Street over NF Holston River in Smyth County, Virginia. It was built in 1957, so it is 68 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 2,152 vehicles a day, projected to reach 2,399 by 2045. The structure is 190 ft (57.8 m) long and 33 ft wide. If it were closed, the detour would be 52.2 mi (84 km).

Location

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CarriesEast Main Street
CrossesNF Holston River
Location1.13ECL.SALTV;2.24WASH.CL
RouteState Highway 91
CountySmyth County
StateVirginia
Coordinates36.89066, -81.74954
Functional classRural Major 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
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length190 ft (57.8 m)
Longest span63 ft (19.1 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,152 (2022)
Projected traffic2,399 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$175.5 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East Main Street over NF Holston River built?

It was built in 1957, making it 68 years old in 2025.

What condition is East Main Street over NF 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 July 2023.

How much traffic does East Main Street over NF Holston River carry?

About 2,152 vehicles per day (2022 count).

How long is East Main Street over NF Holston River?

The structure is 190 ft (57.8 m) long with a longest span of 63 ft (19.1 m) and a deck 33 ft wide.

Who owns East Main Street over NF Holston River?

It is owned by the State Highway Agency.