US Bridges

Nfa A074 over Leatherwood Creek

Fair

Houston County, Tennessee · 9 M. E. Erin. · Structure no. 420A0740001

Built
1984
41 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
52 ft
4 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A074 over Leatherwood Creek is a concrete continuous culvert carrying Nfa A074 over Leatherwood Creek in Houston County, Tennessee. It was built in 1984, so it is 41 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2042. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesNfa A074
CrossesLeatherwood Creek
Location9 M. E. Erin.
RouteCounty Highway 74
CountyHouston County
StateTennessee
Coordinates36.31422, -87.53377
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span12 ft (3.7 m)
Deck width26 ft (8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Leatherwood Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A074 over Leatherwood 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 January 2024.

How much traffic does Nfa A074 over Leatherwood Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A074 over Leatherwood Creek?

The structure is 52 ft (15.8 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa A074 over Leatherwood Creek?

It is owned by the County Highway Agency.