US Bridges

Nfa A318 over Little Cypress Creek

Fair

Wayne County, Tennessee · 1.3 MI SW JCT SR13&SR227 · Structure no. 910A3180001

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
190
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A318 over Little Cypress Creek is a concrete continuous culvert carrying Nfa A318 over Little Cypress Creek in Wayne County, Tennessee. It was built in 1983, so it is 42 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 190 vehicles a day, roughly 4% of them trucks, projected to reach 304 by 2042. The structure is 48 ft (14.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A318
CrossesLittle Cypress Creek
Location1.3 MI SW JCT SR13&SR227
RouteCounty Highway 318
Coordinates35.02525, -87.68318
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length48 ft (14.7 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic304 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$146,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A318 over Little Cypress Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A318 over Little Cypress 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 October 2024.

How much traffic does Nfa A318 over Little Cypress Creek carry?

About 190 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A318 over Little Cypress Creek?

The structure is 48 ft (14.7 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Nfa A318 over Little Cypress Creek?

It is owned by the County Highway Agency.