US Bridges

Nfa A371 over Branch

Fair

Carroll County, Tennessee · 1.9 MI NW JCT SR1&SR219 · Structure no. 090A3710003

Built
1991
34 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A371 over Branch is a concrete continuous culvert carrying Nfa A371 over Branch in Carroll County, Tennessee. It was built in 1991, so it is 34 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 80 vehicles a day, roughly 4% of them trucks, projected to reach 128 by 2039. The structure is 27 ft (8.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa A371
CrossesBranch
Location1.9 MI NW JCT SR1&SR219
RouteCounty Highway 371
CountyCarroll County
StateTennessee
Coordinates36.05931, -88.35614
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 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 alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span11 ft (3.5 m)
Deck width27 ft (8.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A371 over Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa A371 over Branch 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 2023.

How much traffic does Nfa A371 over Branch carry?

About 80 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A371 over Branch?

The structure is 27 ft (8.2 m) long with a longest span of 11 ft (3.5 m) and a deck 27 ft wide.

Who owns Nfa A371 over Branch?

It is owned by the County Highway Agency.