US Bridges

Nfa A138 over Little Eagle Creek

Fair

Overton County, Tennessee · .5 MI North of SR 42 · Structure no. 670A1380001

Built
1984
41 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A138 over Little Eagle Creek is a concrete continuous culvert carrying Nfa A138 over Little Eagle Creek in Overton 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 176 by 2041. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A138
CrossesLittle Eagle Creek
Location.5 MI North of SR 42
RouteCounty Highway 138
CountyOverton County
StateTennessee
Coordinates36.45116, -85.27895
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 inspectionDecember 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 rating80.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2041
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A138 over Little Eagle Creek built?

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

What condition is Nfa A138 over Little Eagle 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 December 2024.

How much traffic does Nfa A138 over Little Eagle Creek carry?

About 110 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A138 over Little Eagle Creek?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa A138 over Little Eagle Creek?

It is owned by the County Highway Agency.