US Bridges

FAU 3148 (sa 6322) over Branch

Good

Montgomery County, Tennessee · .6 M W SR374 · Structure no. 63K31480003

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
11,177
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3148 (sa 6322) over Branch is a concrete continuous culvert carrying FAU 3148 (sa 6322) over Branch in Montgomery County, Tennessee. It was built in 2020, so it is 5 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 11,177 vehicles a day, roughly 3% of them trucks, projected to reach 18,704 by 2040. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 3148 (sa 6322)
CrossesBranch
Location.6 M W SR374
RouteCity Street 3148
CountyMontgomery County
StateTennessee
Coordinates36.5495, -87.3029
Functional classUrban Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.7 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 traffic11,177 (2021)
Projected traffic18,704 by 2040
Trucks3%
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 3148 (sa 6322) over Branch built?

It was built in 2020, making it 5 years old in 2025.

What condition is FAU 3148 (sa 6322) 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 September 2024.

How much traffic does FAU 3148 (sa 6322) over Branch carry?

About 11,177 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3148 (sa 6322) over Branch?

The structure is 25 ft (7.7 m) long with a longest span of 10 ft (3 m).

Who owns FAU 3148 (sa 6322) over Branch?

It is owned by the City or Municipal Highway Agency.