US Bridges

FAS 175 over Branch of Johns Creek

Poor

Shelby County, Tennessee · 0.91 Mi. E of SR-4 Jct. · Structure no. 79014500005

Built
1979
46 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
31,787
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 175 over Branch of Johns Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 175 over Branch of Johns Creek in Shelby County, Tennessee. It was built in 1979, so it is 46 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 31,787 vehicles a day, roughly 9% of them trucks, projected to reach 50,859 by 2042. The structure is 100 ft (30.5 m) long and 108 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 175
CrossesBranch of Johns Creek
Location0.91 Mi. E of SR-4 Jct.
RouteState Highway 175
Coordinates35.02031, -89.88216
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span36 ft (11 m)
Deck width108 ft (33 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,787 (2021)
Projected traffic50,859 by 2042
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 175 over Branch of Johns Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAS 175 over Branch of Johns Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FAS 175 over Branch of Johns Creek carry?

About 31,787 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAS 175 over Branch of Johns Creek?

The structure is 100 ft (30.5 m) long with a longest span of 36 ft (11 m) and a deck 108 ft wide.

Who owns FAS 175 over Branch of Johns Creek?

It is owned by the State Highway Agency.