US Bridges

FAP 12 over Sycamore Creek

Fair

Cheatham County, Tennessee · 3.6 Mi.Nw.Of Ashland City · Structure no. 11SR0120007

Built
1949
76 years old, rebuilt 2011
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
318 ft
6 main spans
Daily traffic
6,222
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 12 over Sycamore Creek is a prestressed concrete continuous box beam or girders - single or spread carrying FAP 12 over Sycamore Creek in Cheatham County, Tennessee. It was built in 1949 and reconstructed in 2011, 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 6,222 vehicles a day, roughly 6% of them trucks, projected to reach 12,026 by 2041. The structure is 318 ft (96.9 m) long and 32 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesFAP 12
CrossesSycamore Creek
Location3.6 Mi.Nw.Of Ashland City
RouteState Highway 12
Coordinates36.32983, -87.12168
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length318 ft (96.9 m)
Longest span53 ft (16.2 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,222 (2021)
Projected traffic12,026 by 2041
Trucks6%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.4 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 12 over Sycamore Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2011.

What condition is FAP 12 over Sycamore 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 Sycamore Creek carry?

About 6,222 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 12 over Sycamore Creek?

The structure is 318 ft (96.9 m) long with a longest span of 53 ft (16.2 m) and a deck 32 ft wide.

Who owns FAP 12 over Sycamore Creek?

It is owned by the State Highway Agency.