US Bridges

Nfa A257 over Branch

Good

Lauderdale County, Tennessee · 1 Mi. E. of Halls · Structure no. 490A2570003

Built
2022
3 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
110
2024 count
Owner
County
County Highway Agency

About this bridge

Nfa A257 over Branch is a concrete continuous culvert carrying Nfa A257 over Branch in Lauderdale County, Tennessee. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 2% of them trucks, projected to reach 176 by 2042. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A257
CrossesBranch
Location1 Mi. E. of Halls
RouteCounty Highway 257
CountyLauderdale County
StateTennessee
Coordinates35.84711, -89.39428
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2024)
Projected traffic176 by 2042
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$395,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A257 over Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Nfa A257 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 December 2023.

How much traffic does Nfa A257 over Branch carry?

About 110 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Nfa A257 over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Nfa A257 over Branch?

It is owned by the County Highway Agency.