US Bridges

FAU 2162 (sa 3308) over Small Branch

Good

Hamilton County, Tennessee · .1 MI West of US 27 · Structure no. 33021620005

Built
1929
96 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
9,401
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 2162 (sa 3308) over Small Branch is a concrete continuous culvert carrying FAU 2162 (sa 3308) over Small Branch in Hamilton County, Tennessee. It was built in 1929, so it is 96 years old, older 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 9,401 vehicles a day, roughly 4% of them trucks, projected to reach 15,042 by 2042. The structure is 23 ft (7.1 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 2162 (sa 3308)
CrossesSmall Branch
Location.1 MI West of US 27
RouteCity Street 2162
Coordinates35.22969, -85.20994
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than 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 loadH 15
Structure length23 ft (7.1 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,401 (2021)
Projected traffic15,042 by 2042
Trucks4%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 2162 (sa 3308) over Small Branch built?

It was built in 1929, making it 96 years old in 2025.

What condition is FAU 2162 (sa 3308) over Small 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 February 2025.

How much traffic does FAU 2162 (sa 3308) over Small Branch carry?

About 9,401 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 2162 (sa 3308) over Small Branch?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns FAU 2162 (sa 3308) over Small Branch?

It is owned by the City or Municipal Highway Agency.