US Bridges

Nfa A399 over Branch

Fair

Hardeman County, Tennessee · In Bolivar · Structure no. 35044140001

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A399 over Branch is a concrete continuous culvert carrying Nfa A399 over Branch in Hardeman County, Tennessee. It was built in 1989, so it is 36 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2040. The structure is 27 ft (8.1 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A399
CrossesBranch
LocationIn Bolivar
RouteCity Street 399
Coordinates35.27339, -88.98016
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2040
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A399 over Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa A399 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 August 2024.

How much traffic does Nfa A399 over Branch carry?

About 200 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Nfa A399 over Branch?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns Nfa A399 over Branch?

It is owned by the City or Municipal Highway Agency.