US Bridges

Nfa A371 over Branch

Fair

Weakley County, Tennessee · 2.5 MI W of Carroll CO · Structure no. 920A3710001

Built
2004
21 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
55 ft
3 main spans
Daily traffic
20
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 Weakley County, Tennessee. It was built in 2004, so it is 21 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2040. The structure is 55 ft (16.8 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 A371
CrossesBranch
Location2.5 MI W of Carroll CO
RouteCounty Highway 371
CountyWeakley County
StateTennessee
Coordinates36.10598, -88.68242
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; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans3
Design loadHS 20 + Mod
Structure length55 ft (16.8 m)
Longest span16 ft (4.9 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2040
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 A371 over Branch built?

It was built in 2004, making it 21 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 October 2024.

How much traffic does Nfa A371 over Branch carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A371 over Branch?

The structure is 55 ft (16.8 m) long with a longest span of 16 ft (4.9 m) and a deck 30 ft wide.

Who owns Nfa A371 over Branch?

It is owned by the County Highway Agency.