US Bridges

Nfa B375 over Branch

Good

Williamson County, Tennessee · On Snake Ct · Structure no. 940B3750001

Built
1990
35 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
250
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B375 over Branch is a concrete continuous culvert carrying Nfa B375 over Branch in Williamson County, Tennessee. It was built in 1990, so it is 35 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2039. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa B375
CrossesBranch
LocationOn Snake Ct
RouteCity Street 375
Coordinates35.91974, -86.89088
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 evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 B375 over Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa B375 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 B375 over Branch carry?

About 250 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa B375 over Branch?

The structure is 39 ft (11.9 m) long with a longest span of 15 ft (4.6 m).

Who owns Nfa B375 over Branch?

It is owned by the City or Municipal Highway Agency.