US Bridges

FAP 12 over Marks Creek

Fair

Cheatham County, Tennessee · In Ashland City Limits · Structure no. 11SR0120005

Built
1949
76 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
5,530
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 12 over Marks Creek is a concrete tee beam carrying FAP 12 over Marks Creek in Cheatham County, Tennessee. It was built in 1949, so it is 76 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 5,530 vehicles a day, roughly 5% of them trucks, projected to reach 11,104 by 2040. The structure is 86 ft (26.2 m) long and 32 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesFAP 12
CrossesMarks Creek
LocationIn Ashland City Limits
RouteState Highway 12
Coordinates36.28573, -87.07802
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length86 ft (26.2 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,530 (2021)
Projected traffic11,104 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 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$404,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 12 over Marks Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is FAP 12 over Marks 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 July 2024.

How much traffic does FAP 12 over Marks Creek carry?

About 5,530 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 12 over Marks Creek?

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns FAP 12 over Marks Creek?

It is owned by the State Highway Agency.