US Bridges

Nfa A729 over Branch

Good

Carroll County, Tennessee · 3.6 MI SE JCT SR77&SR105 · Structure no. 090A7290001

Built
1987
38 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A729 over Branch is a concrete continuous culvert carrying Nfa A729 over Branch in Carroll County, Tennessee. It was built in 1987, so it is 38 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 60 vehicles a day, roughly 4% of them trucks, projected to reach 96 by 2039. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNfa A729
CrossesBranch
Location3.6 MI SE JCT SR77&SR105
RouteCounty Highway 729
CountyCarroll County
StateTennessee
Coordinates35.93464, -88.56628
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum 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 length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2039
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 A729 over Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa A729 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 A729 over Branch carry?

About 60 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A729 over Branch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa A729 over Branch?

It is owned by the County Highway Agency.