US Bridges

FAP 56 over Mountain Creek

Fair

Warren County, Tennessee · 2 MI FM Dekald Warren Cl · Structure no. 89SR0560017

Built
1954
71 years old, rebuilt 2013
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
271 ft
9 main spans
Daily traffic
4,984
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 56 over Mountain Creek is a concrete tee beam carrying FAP 56 over Mountain Creek in Warren County, Tennessee. It was built in 1954 and reconstructed in 2013, so it is 71 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 5 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 4,984 vehicles a day, roughly 10% of them trucks, projected to reach 7,974 by 2042. The structure is 271 ft (82.6 m) long and 32 ft wide. If it were closed, the detour would be 51 mi (82 km).

Location

Open in Google Maps
CarriesFAP 56
CrossesMountain Creek
Location2 MI FM Dekald Warren Cl
RouteState Highway 56
CountyWarren County
StateTennessee
Coordinates35.81669, -85.79095
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length271 ft (82.6 m)
Longest span43 ft (13.1 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,984 (2021)
Projected traffic7,974 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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$3.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 56 over Mountain Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2013.

What condition is FAP 56 over Mountain 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 February 2023.

How much traffic does FAP 56 over Mountain Creek carry?

About 4,984 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 56 over Mountain Creek?

The structure is 271 ft (82.6 m) long with a longest span of 43 ft (13.1 m) and a deck 32 ft wide.

Who owns FAP 56 over Mountain Creek?

It is owned by the State Highway Agency.