US Bridges

Nfa B396 over Branch

Good

Williamson County, Tennessee · 0.6 MI NW JCT SR96&SR397 · Structure no. 940B3960001

Built
1992
33 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
1,390
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B396 over Branch is a concrete continuous culvert carrying Nfa B396 over Branch in Williamson County, Tennessee. It was built in 1992, so it is 33 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 1,390 vehicles a day, roughly 1% of them trucks, projected to reach 2,224 by 2039. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa B396
CrossesBranch
Location0.6 MI NW JCT SR96&SR397
RouteCity Street 396
CountyWilliamson County
StateTennessee
Coordinates35.92087, -86.84608
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 protection7 GoodSome minor problems.
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 adequacy6: Equal to present minimum criteria
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 spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,390 (2020)
Projected traffic2,224 by 2039
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B396 over Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa B396 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 B396 over Branch carry?

About 1,390 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa B396 over Branch?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Nfa B396 over Branch?

It is owned by the City or Municipal Highway Agency.