US Bridges

FAS 131 over Branch

Fair

Knox County, Tennessee · .1 M FM Union CO LN · Structure no. 47SR1310005

Built
1940
85 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
4,665
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 131 over Branch is a concrete continuous culvert carrying FAS 131 over Branch in Knox County, Tennessee. It was built in 1940, so it is 85 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 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 4,665 vehicles a day, roughly 5% of them trucks, projected to reach 7,219 by 2042. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesFAS 131
CrossesBranch
Location.1 M FM Union CO LN
RouteState Highway 131
CountyKnox County
StateTennessee
Coordinates36.16637, -83.81448
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,665 (2021)
Projected traffic7,219 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$557,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 131 over Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is FAS 131 over 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 January 2024.

How much traffic does FAS 131 over Branch carry?

About 4,665 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 131 over Branch?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3.1 m).

Who owns FAS 131 over Branch?

It is owned by the State Highway Agency.