US Bridges

Nfa A143 over Branch

Good

Crockett County, Tennessee · 1.7 MI NE JCT SR152&SR188 · Structure no. 170A1430005

Built
2002
23 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A143 over Branch is a concrete culvert carrying Nfa A143 over Branch in Crockett County, Tennessee. It was built in 2002, so it is 23 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140 vehicles a day, roughly 4% of them trucks, projected to reach 224 by 2042. The structure is 33 ft (10.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A143
CrossesBranch
Location1.7 MI NE JCT SR152&SR188
RouteCounty Highway 143
Coordinates35.84936, -89.14684
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span28 ft (8.4 m)
Deck width31 ft (9.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A143 over Branch built?

It was built in 2002, making it 23 years old in 2025.

What condition is Nfa A143 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Nfa A143 over Branch carry?

About 140 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A143 over Branch?

The structure is 33 ft (10.2 m) long with a longest span of 28 ft (8.4 m) and a deck 31 ft wide.

Who owns Nfa A143 over Branch?

It is owned by the County Highway Agency.