US Bridges

Nfa A074 over Crabtree Creek

Fair

Jackson County, Tennessee · 2MI North of SR56 · Structure no. 440A0740001

Built
1986
39 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
55 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A074 over Crabtree Creek is a concrete continuous culvert carrying Nfa A074 over Crabtree Creek in Jackson County, Tennessee. It was built in 1986, so it is 39 years old, younger 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2041. The structure is 55 ft (16.8 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesNfa A074
CrossesCrabtree Creek
Location2MI North of SR56
RouteCounty Highway 74
CountyJackson County
StateTennessee
Coordinates36.48387, -85.75473
Functional classRural Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A074 over Crabtree Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A074 over Crabtree 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 August 2023.

How much traffic does Nfa A074 over Crabtree Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A074 over Crabtree Creek?

The structure is 55 ft (16.8 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa A074 over Crabtree Creek?

It is owned by the County Highway Agency.