US Bridges

Nfa 965 (sa 4108) over Branch

Good

Hickman County, Tennessee · 9 M N of Nunnelly · Structure no. 41009650001

Built
1986
39 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
70
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 965 (sa 4108) over Branch is a concrete continuous culvert carrying Nfa 965 (sa 4108) over Branch in Hickman County, Tennessee. It was built in 1986, so it is 39 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 70 vehicles a day, roughly 3% of them trucks, projected to reach 112 by 2042. The structure is 46 ft (14 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa 965 (sa 4108)
CrossesBranch
Location9 M N of Nunnelly
RouteCounty Highway 965
CountyHickman County
StateTennessee
Coordinates35.98967, -87.5144
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2021)
Projected traffic112 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 965 (sa 4108) over Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa 965 (sa 4108) 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 August 2023.

How much traffic does Nfa 965 (sa 4108) over Branch carry?

About 70 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 965 (sa 4108) over Branch?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns Nfa 965 (sa 4108) over Branch?

It is owned by the County Highway Agency.