US Bridges

FAP 4 over Johns Creek

Fair

Shelby County, Tennessee · .14 M FM SR175 · Structure no. 79SR0040003

Built
1929
96 years old, rebuilt 2019
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
123 ft
5 main spans
Daily traffic
42,038
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 4 over Johns Creek is a concrete tee beam carrying FAP 4 over Johns Creek in Shelby County, Tennessee. It was built in 1929 and reconstructed in 2019, so it is 96 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 42,038 vehicles a day, roughly 9% of them trucks, projected to reach 67,261 by 2042. The structure is 123 ft (37.6 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFAP 4
CrossesJohns Creek
Location.14 M FM SR175
RouteU.S. Route 78
Coordinates35.02231, -89.89944
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length123 ft (37.6 m)
Longest span25 ft (7.6 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,038 (2021)
Projected traffic67,261 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 FAP 4 over Johns Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2019.

What condition is FAP 4 over Johns Creek 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 January 2025.

How much traffic does FAP 4 over Johns Creek carry?

About 42,038 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 4 over Johns Creek?

The structure is 123 ft (37.6 m) long with a longest span of 25 ft (7.6 m) and a deck 37 ft wide.

Who owns FAP 4 over Johns Creek?

It is owned by the State Highway Agency.