US Bridges

Nfa 980 (sa 9410) over Branchi

Good

Williamson County, Tennessee · 4.6 MI SW JCT SR11&SR16 · Structure no. 94S63080001

Built
1940
85 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
3,323
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 980 (sa 9410) over Branchi is a concrete continuous culvert carrying Nfa 980 (sa 9410) over Branchi in Williamson County, Tennessee. It was built in 1940, so it is 85 years old, older 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 3,323 vehicles a day, roughly 3% of them trucks, projected to reach 4,574 by 2041. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 980 (sa 9410)
CrossesBranchi
Location4.6 MI SW JCT SR11&SR16
RouteCounty Highway 980
Coordinates35.80343, -86.74408
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: 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
DeckNot applicable
Main spans2
Design loadH 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,323 (2021)
Projected traffic4,574 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 980 (sa 9410) over Branchi built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa 980 (sa 9410) over Branchi 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 April 2023.

How much traffic does Nfa 980 (sa 9410) over Branchi carry?

About 3,323 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 980 (sa 9410) over Branchi?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 980 (sa 9410) over Branchi?

It is owned by the County Highway Agency.