US Bridges

FAU 3 over Branch

Good

Shelby County, Tennessee · 1.5 M N of SR175 · Structure no. 79SR0030001

Built
1949
76 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
53,694
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 3 over Branch is a concrete continuous culvert carrying FAU 3 over Branch in Shelby County, Tennessee. It was built in 1949, so it is 76 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 53,694 vehicles a day, roughly 9% of them trucks, projected to reach 85,910 by 2042. The structure is 24 ft (7.2 m) long and 88 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesFAU 3
CrossesBranch
Location1.5 M N of SR175
RouteU.S. Route 51
Coordinates35.045, -90.025
Functional classUrban Other Principal 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width88 ft (26.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,694 (2021)
Projected traffic85,910 by 2042
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$583,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3 over Branch built?

It was built in 1949, making it 76 years old in 2025.

What condition is FAU 3 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 January 2025.

How much traffic does FAU 3 over Branch carry?

About 53,694 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 3 over Branch?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m) and a deck 88 ft wide.

Who owns FAU 3 over Branch?

It is owned by the State Highway Agency.