US Bridges

FAS 131 over Mill Branch Creek

Fair

Knox County, Tennessee · 2.9 M SW of SR162 · Structure no. 47SR1310015

Built
2006
19 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
9,297
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 131 over Mill Branch Creek is a concrete continuous culvert carrying FAS 131 over Mill Branch Creek in Knox County, Tennessee. It was built in 2006, so it is 19 years old, younger 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 9,297 vehicles a day, roughly 4% of them trucks, projected to reach 14,155 by 2042. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 131
CrossesMill Branch Creek
Location2.9 M SW of SR162
RouteState Highway 131
Coordinates35.95222, -84.12333
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
Channel and channel protection7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,297 (2021)
Projected traffic14,155 by 2042
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 131 over Mill Branch Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is FAS 131 over Mill Branch Creek 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 Mill Branch Creek carry?

About 9,297 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 131 over Mill Branch Creek?

The structure is 31 ft (9.5 m) long with a longest span of 15 ft (4.6 m).

Who owns FAS 131 over Mill Branch Creek?

It is owned by the State Highway Agency.