US Bridges

FAP 56 over Black Creek

Fair

Grundy County, Tennessee · In Coalmont City Limits · Structure no. 31SR0560001

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
3,611
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 56 over Black Creek is a concrete continuous culvert carrying FAP 56 over Black Creek in Grundy County, Tennessee. It was built in 1930 and reconstructed in 1991, so it is 95 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 3,611 vehicles a day, roughly 5% of them trucks, projected to reach 5,712 by 2040. The structure is 21 ft (6.3 m) long and 33 ft wide. If it were closed, the detour would be 75.8 mi (122 km).

Location

Open in Google Maps
CarriesFAP 56
CrossesBlack Creek
LocationIn Coalmont City Limits
RouteState Highway 56
CountyGrundy County
StateTennessee
Coordinates35.33338, -85.70564
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,611 (2021)
Projected traffic5,712 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.8 mi (122 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$98,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 56 over Black Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is FAP 56 over Black 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 May 2024.

How much traffic does FAP 56 over Black Creek carry?

About 3,611 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 56 over Black Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns FAP 56 over Black Creek?

It is owned by the State Highway Agency.