US Bridges

Nfa A356 over Branch

FairPosted for load

Madison County, Tennessee · 3.8 MI SW JCT SR5&SR18 · Structure no. 570A3560001

Built
1992
33 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
39 ft
2 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A356 over Branch is a concrete channel beam carrying Nfa A356 over Branch in Madison County, Tennessee. It was built in 1992, so it is 33 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. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2042. The structure is 39 ft (11.8 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A356
CrossesBranch
Location3.8 MI SW JCT SR5&SR18
RouteCounty Highway 356
Coordinates35.50244, -88.81589
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating39.2 US tons
Inventory rating31.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length39 ft (11.8 m)
Longest span19 ft (5.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$109,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A356 over Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa A356 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 May 2023.

How much traffic does Nfa A356 over Branch carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A356 over Branch?

The structure is 39 ft (11.8 m) long with a longest span of 19 ft (5.9 m) and a deck 25 ft wide.

Who owns Nfa A356 over Branch?

It is owned by the County Highway Agency.