US Bridges

Nfa A078 (sa 0937) over Branch

Good

Carroll County, Tennessee · 1.3 MI SW JCT SR76&SR220 · Structure no. 090A0780001

Built
1989
36 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A078 (sa 0937) over Branch is a concrete continuous culvert carrying Nfa A078 (sa 0937) over Branch in Carroll 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 210 vehicles a day, roughly 4% of them trucks, projected to reach 336 by 2042. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNfa A078 (sa 0937)
CrossesBranch
Location1.3 MI SW JCT SR76&SR220
RouteCounty Highway 78
CountyCarroll County
StateTennessee
Coordinates35.95419, -88.68161
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length46 ft (14 m)
Longest span21 ft (6.5 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 A078 (sa 0937) over Branch built?

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

What condition is Nfa A078 (sa 0937) over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Nfa A078 (sa 0937) over Branch carry?

About 210 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A078 (sa 0937) over Branch?

The structure is 46 ft (14 m) long with a longest span of 21 ft (6.5 m) and a deck 28 ft wide.

Who owns Nfa A078 (sa 0937) over Branch?

It is owned by the County Highway Agency.