US Bridges

FAU 2178 over Franks Branch

Fair

Shelby County, Tennessee · Old Brownsville HWY · Structure no. 790A1860001

Built
1954
71 years old, rebuilt 2019
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
70 ft
1 main span
Daily traffic
5,350
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 2178 over Franks Branch is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 2178 over Franks Branch in Shelby County, Tennessee. It was built in 1954 and reconstructed in 2019, so it is 71 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 6 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 5,350 vehicles a day, roughly 4% of them trucks, projected to reach 15,648 by 2041. The structure is 70 ft (21.2 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFAU 2178
CrossesFranks Branch
LocationOld Brownsville HWY
RouteCity Street 2178
CountyShelby County
StateTennessee
Coordinates35.26197, -89.80175
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating10.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length70 ft (21.2 m)
Longest span33 ft (10.1 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,350 (2021)
Projected traffic15,648 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 2178 over Franks Branch built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2019.

What condition is FAU 2178 over Franks 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 April 2023.

How much traffic does FAU 2178 over Franks Branch carry?

About 5,350 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 2178 over Franks Branch?

The structure is 70 ft (21.2 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.

Who owns FAU 2178 over Franks Branch?

It is owned by the City or Municipal Highway Agency.