US Bridges

Nfa A137 over Little Creek

Fair

Union County, Tennessee · S of SR131-E of Luttrell · Structure no. 870A1370001

Built
1986
39 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
170
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A137 over Little Creek is a concrete continuous culvert carrying Nfa A137 over Little Creek in Union 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 170 vehicles a day, roughly 2% of them trucks, projected to reach 272 by 2038. The structure is 25 ft (7.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A137
CrossesLittle Creek
LocationS of SR131-E of Luttrell
RouteCounty Highway 137
CountyUnion County
StateTennessee
Coordinates36.2145, -83.72227
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 inspectionJuly 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2020)
Projected traffic272 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A137 over Little Creek built?

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

What condition is Nfa A137 over Little 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 July 2024.

How much traffic does Nfa A137 over Little Creek carry?

About 170 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A137 over Little Creek?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Nfa A137 over Little Creek?

It is owned by the County Highway Agency.