US Bridges

FAU 3428 over Branch

Fair

Coffee County, Tennessee · In Tullahoma City Limits · Structure no. 160A3160001

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
2,750
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3428 over Branch is a concrete continuous culvert carrying FAU 3428 over Branch in Coffee County, Tennessee. It was built in 1960, so it is 65 years old, older 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 2,750 vehicles a day, roughly 4% of them trucks, projected to reach 4,400 by 2042. The structure is 21 ft (6.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 3428
CrossesBranch
LocationIn Tullahoma City Limits
RouteCity Street 0A316
Coordinates35.37517, -86.18083
Functional classUrban 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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span12 ft (3.6 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2020)
Projected traffic4,400 by 2042
Trucks4%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$89,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3428 over Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAU 3428 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 January 2024.

How much traffic does FAU 3428 over Branch carry?

About 2,750 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FAU 3428 over Branch?

The structure is 21 ft (6.3 m) long with a longest span of 12 ft (3.6 m) and a deck 36 ft wide.

Who owns FAU 3428 over Branch?

It is owned by the City or Municipal Highway Agency.