US Bridges

Nfa B368 over Branch

Good

Williamson County, Tennessee · On Hills Drive · Structure no. 940B3680001

Built
1993
32 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
850
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B368 over Branch is a concrete continuous culvert carrying Nfa B368 over Branch in Williamson County, Tennessee. It was built in 1993, so it is 32 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 850 vehicles a day, roughly 1% of them trucks, projected to reach 1,360 by 2039. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa B368
CrossesBranch
LocationOn Hills Drive
RouteCity Street 368
Coordinates35.95795, -86.77071
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than 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 spans3
Design loadHS 20
Structure length51 ft (15.5 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 traffic850 (2020)
Projected traffic1,360 by 2039
Trucks1%
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

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 B368 over Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa B368 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 June 2023.

How much traffic does Nfa B368 over Branch carry?

About 850 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa B368 over Branch?

The structure is 51 ft (15.5 m) long with a longest span of 15 ft (4.6 m).

Who owns Nfa B368 over Branch?

It is owned by the City or Municipal Highway Agency.