US Bridges

FAP 56 over North Fork Branch

Fair

Jackson County, Tennessee · 2.5 MI FM N Springs · Structure no. 44SR0560017

Built
1951
74 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
577
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 56 over North Fork Branch is a concrete continuous culvert carrying FAP 56 over North Fork Branch in Jackson County, Tennessee. It was built in 1951, so it is 74 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 577 vehicles a day, roughly 5% of them trucks, projected to reach 808 by 2041. The structure is 48 ft (14.7 m) long and 31 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesFAP 56
CrossesNorth Fork Branch
Location2.5 MI FM N Springs
RouteState Highway 56
Coordinates36.46528, -85.71639
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length48 ft (14.7 m)
Longest span10 ft (3 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic577 (2021)
Projected traffic808 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$347,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 56 over North Fork Branch built?

It was built in 1951, making it 74 years old in 2025.

What condition is FAP 56 over North Fork Branch 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 June 2023.

How much traffic does FAP 56 over North Fork Branch carry?

About 577 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 56 over North Fork Branch?

The structure is 48 ft (14.7 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns FAP 56 over North Fork Branch?

It is owned by the State Highway Agency.