US Bridges

FAS 106 over Mud Creek

Fair

Williamson County, Tennessee · 1.3 M N JCT SR106&SR247 · Structure no. 94SR1060003

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
7,043
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 106 over Mud Creek is a concrete continuous culvert carrying FAS 106 over Mud Creek in Williamson County, Tennessee. It was built in 1966, so it is 59 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 7,043 vehicles a day, roughly 7% of them trucks, projected to reach 12,496 by 2041. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 32.9 mi (53 km).

CarriesFAS 106
CrossesMud Creek
Location1.3 M N JCT SR106&SR247
RouteU.S. Route 431
Coordinates35.76372, -86.83961
Functional classRural Principal Arterial - Other

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,043 (2021)
Projected traffic12,496 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$355,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 106 over Mud Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is FAS 106 over Mud 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 December 2024.

How much traffic does FAS 106 over Mud Creek carry?

About 7,043 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAS 106 over Mud Creek?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns FAS 106 over Mud Creek?

It is owned by the State Highway Agency.