US Bridges

Nfa A001 (sa 4904) over Branch

Fair

Lauderdale County, Tennessee · S. of Henning · Structure no. 490A0010007

Built
1991
34 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
420
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A001 (sa 4904) over Branch is a concrete continuous culvert carrying Nfa A001 (sa 4904) over Branch in Lauderdale 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 420 vehicles a day, roughly 2% of them trucks, projected to reach 672 by 2042. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa A001 (sa 4904)
CrossesBranch
LocationS. of Henning
RouteCounty Highway 1
CountyLauderdale County
StateTennessee
Coordinates35.66478, -89.61411
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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span15 ft (4.7 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2020)
Projected traffic672 by 2042
Trucks2%
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 A001 (sa 4904) over Branch built?

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

What condition is Nfa A001 (sa 4904) 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 December 2023.

How much traffic does Nfa A001 (sa 4904) over Branch carry?

About 420 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A001 (sa 4904) over Branch?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.7 m) and a deck 30 ft wide.

Who owns Nfa A001 (sa 4904) over Branch?

It is owned by the County Highway Agency.