US Bridges

Nfa A953 over Branch

Good

Williamson County, Tennessee · .9 M SE JCT SR46 & SR106 · Structure no. 940A9530001

Built
1987
38 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
880
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A953 over Branch is a concrete continuous culvert carrying Nfa A953 over Branch in Williamson 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 880 vehicles a day, roughly 2% of them trucks, projected to reach 1,408 by 2041. The structure is 33 ft (10.1 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A953
CrossesBranch
Location.9 M SE JCT SR46 & SR106
RouteCounty Highway 953
Coordinates35.99703, -86.88488
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2020)
Projected traffic1,408 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$253,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A953 over Branch built?

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

What condition is Nfa A953 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 A953 over Branch carry?

About 880 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A953 over Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Nfa A953 over Branch?

It is owned by the County Highway Agency.