US Bridges

Nfa A360 over Branch

Fair

Madison County, Tennessee · 4.1 MI NE JCT SR18&HARDEN · Structure no. 570A3600001

Built
2009
16 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A360 over Branch is a concrete continuous culvert carrying Nfa A360 over Branch in Madison County, Tennessee. It was built in 2009, so it is 16 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2041. The structure is 26 ft (8 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A360
CrossesBranch
Location4.1 MI NE JCT SR18&HARDEN
RouteCounty Highway 360
CountyMadison County
StateTennessee
Coordinates35.47306, -88.83236
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 inspectionMay 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2041
Trucks2%
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 A360 over Branch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Nfa A360 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 A360 over Branch carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A360 over Branch?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa A360 over Branch?

It is owned by the County Highway Agency.