US Bridges

FAS 126 over Sougan Branch

FairPosted for load

Sullivan County, Tennessee · Indian Springs · Structure no. 82SR1260001

Built
1948
77 years old, rebuilt 1979
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
6,700
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 126 over Sougan Branch is a concrete tee beam carrying FAS 126 over Sougan Branch in Sullivan County, Tennessee. It was built in 1948 and reconstructed in 1979, so it is 77 years old, older than the Tennessee average of 47.4 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. Its operating status is: posted for load restriction.

It carries about 6,700 vehicles a day, roughly 4% of them trucks, projected to reach 10,720 by 2042. The structure is 28 ft (8.4 m) long and 50 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesFAS 126
CrossesSougan Branch
LocationIndian Springs
RouteState Highway 126
CountySullivan County
StateTennessee
Coordinates36.54463, -82.4326
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
Deck7 GoodSome minor problems.
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.4 m)
Longest span26 ft (7.8 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2021)
Projected traffic10,720 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$320,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 126 over Sougan Branch built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1979.

What condition is FAS 126 over Sougan Branch 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 April 2023.

How much traffic does FAS 126 over Sougan Branch carry?

About 6,700 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 126 over Sougan Branch?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.8 m) and a deck 50 ft wide.

Who owns FAS 126 over Sougan Branch?

It is owned by the State Highway Agency.