US Bridges

FAS 106 over Flat Creek

Fair

Maury County, Tennessee · 2.99 Mi.N. Marshall Co.Ln · Structure no. 60SR1060001

Built
1947
78 years old, rebuilt 2003
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
96 ft
3 main spans
Daily traffic
6,242
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 106 over Flat Creek is a prestressed concrete continuous box beam or girders - single or spread carrying FAS 106 over Flat Creek in Maury County, Tennessee. It was built in 1947 and reconstructed in 2003, so it is 78 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 6,242 vehicles a day, roughly 10% of them trucks, projected to reach 10,192 by 2040. The structure is 96 ft (29.4 m) long and 37 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesFAS 106
CrossesFlat Creek
Location2.99 Mi.N. Marshall Co.Ln
RouteU.S. Route 431
Coordinates35.66527, -86.83013
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length96 ft (29.4 m)
Longest span32 ft (9.8 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,242 (2021)
Projected traffic10,192 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$331,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 106 over Flat Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2003.

What condition is FAS 106 over Flat 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 March 2024.

How much traffic does FAS 106 over Flat Creek carry?

About 6,242 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAS 106 over Flat Creek?

The structure is 96 ft (29.4 m) long with a longest span of 32 ft (9.8 m) and a deck 37 ft wide.

Who owns FAS 106 over Flat Creek?

It is owned by the State Highway Agency.