US Bridges

Nfa A347 over Branch

Fair

Wilson County, Tennessee · On Green RD · Structure no. 950A3470003

Built
1980
45 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
85 ft
6 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A347 over Branch is a concrete continuous culvert carrying Nfa A347 over Branch in Wilson County, Tennessee. It was built in 1980, so it is 45 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 180 vehicles a day, roughly 1% of them trucks, projected to reach 288 by 2040. The structure is 85 ft (25.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A347
CrossesBranch
LocationOn Green RD
RouteCounty Highway 0A347
Coordinates36.22182, -86.15646
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic288 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 A347 over Branch built?

It was built in 1980, making it 45 years old in 2025.

What condition is Nfa A347 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 2024.

How much traffic does Nfa A347 over Branch carry?

About 180 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A347 over Branch?

The structure is 85 ft (25.9 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa A347 over Branch?

It is owned by the County Highway Agency.