US Bridges

FAU 177 over Branch

Fair

Shelby County, Tennessee · 2.6 MI S of SR-57 Jct. · Structure no. 790B2930001

Built
1957
68 years old, rebuilt 2012
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
13,513
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 177 over Branch is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 177 over Branch in Shelby County, Tennessee. It was built in 1957 and reconstructed in 2012, so it is 68 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 13,513 vehicles a day, roughly 9% of them trucks, projected to reach 17,898 by 2041. The structure is 51 ft (15.5 m) long and 37 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFAU 177
CrossesBranch
Location2.6 MI S of SR-57 Jct.
RouteState Highway 177
CountyShelby County
StateTennessee
Coordinates35.05681, -89.81286
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span17 ft (5.2 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,513 (2021)
Projected traffic17,898 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 177 over Branch built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2012.

What condition is FAU 177 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 February 2025.

How much traffic does FAU 177 over Branch carry?

About 13,513 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 177 over Branch?

The structure is 51 ft (15.5 m) long with a longest span of 17 ft (5.2 m) and a deck 37 ft wide.

Who owns FAU 177 over Branch?

It is owned by the State Highway Agency.