US Bridges

FAU 126 over South Holston River

GoodPosted for load

Sullivan County, Tennessee · In Kingsport City Limits · Structure no. 82SR0935003

Built
1986
39 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
1,028 ft
12 main spans
Daily traffic
15,051
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 126 over South Holston River is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 126 over South Holston River in Sullivan County, Tennessee. It was built in 1986, so it is 39 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. Its operating status is: posted for load restriction.

It carries about 15,051 vehicles a day, roughly 4% of them trucks, projected to reach 21,198 by 2042. The structure is 1,028 ft (313.3 m) long and 78 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAU 126
CrossesSouth Holston River
LocationIn Kingsport City Limits
RouteState Highway 126
Coordinates36.5286, -82.5558
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating13.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20 + Mod
Structure length1,028 ft (313.3 m)
Longest span87 ft (26.5 m)
Deck width78 ft (23.8 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,051 (2021)
Projected traffic21,198 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 126 over South Holston River built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAU 126 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 FAU 126 over South Holston River carry?

About 15,051 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 126 over South Holston River?

The structure is 1,028 ft (313.3 m) long with a longest span of 87 ft (26.5 m) and a deck 78 ft wide.

Who owns FAU 126 over South Holston River?

It is owned by the State Highway Agency.