US Bridges

FAU 4168 over Branch

Fair

Davidson County, Tennessee · Smith Springs RD2.M.E.UNA · Structure no. 190A5220003

Built
1965
60 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
10,974
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4168 over Branch is a concrete continuous culvert carrying FAU 4168 over Branch in Davidson County, Tennessee. It was built in 1965, so it is 60 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,974 vehicles a day, roughly 3% of them trucks, projected to reach 17,558 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 4168
CrossesBranch
LocationSmith Springs RD2.M.E.UNA
RouteCity Street 4168
Coordinates36.08935, -86.61955
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans2
Design loadHS 20
Structure length22 ft (6.7 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 traffic10,974 (2021)
Projected traffic17,558 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4168 over Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAU 4168 over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does FAU 4168 over Branch carry?

About 10,974 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4168 over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns FAU 4168 over Branch?

It is owned by the City or Municipal Highway Agency.