US Bridges

FAS 75 over South Holston River

Good

Sullivan County, Tennessee · .22 Mi.Ne.Of Washington · Structure no. 82SR0750001

Built
2011
14 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
886 ft
5 main spans
Daily traffic
9,369
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 75 over South Holston River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 75 over South Holston River in Sullivan County, Tennessee. It was built in 2011, so it is 14 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,369 vehicles a day, roughly 4% of them trucks, projected to reach 16,816 by 2041. The structure is 886 ft (270 m) long and 85 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesFAS 75
CrossesSouth Holston River
Location.22 Mi.Ne.Of Washington
RouteState Highway 75
Coordinates36.44743, -82.44358
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHL 93
Structure length886 ft (270 m)
Longest span130 ft (39.6 m)
Deck width85 ft (25.8 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,369 (2021)
Projected traffic16,816 by 2041
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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$17.1 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 75 over South Holston River built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAS 75 over South Holston River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does FAS 75 over South Holston River carry?

About 9,369 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 75 over South Holston River?

The structure is 886 ft (270 m) long with a longest span of 130 ft (39.6 m) and a deck 85 ft wide.

Who owns FAS 75 over South Holston River?

It is owned by the State Highway Agency.