US Bridges

FAS 177 over Wolf River

Fair

Shelby County, Tennessee · 1.7 MI N of SR 57 JCT · Structure no. 79S81020001

Built
1958
67 years old, rebuilt 1984
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
804 ft
3 main spans
Daily traffic
59,405
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 177 over Wolf River is a concrete continuous tee beam carrying FAS 177 over Wolf River in Shelby County, Tennessee. It was built in 1958 and reconstructed in 1984, so it is 67 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 59,405 vehicles a day, roughly 9% of them trucks, projected to reach 95,048 by 2042. The structure is 804 ft (245.1 m) long and 116 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFAS 177
CrossesWolf River
Location1.7 MI N of SR 57 JCT
RouteState Highway SR177
CountyShelby County
StateTennessee
Coordinates35.11609, -89.80109
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+12 approach)
Design loadHS 20
Structure length804 ft (245.1 m)
Longest span69 ft (21 m)
Deck width116 ft (35.4 m)
Roadway width113 ft (34.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,405 (2021)
Projected traffic95,048 by 2042
Trucks9%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$18.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 177 over Wolf River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1984.

What condition is FAS 177 over Wolf River 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 FAS 177 over Wolf River carry?

About 59,405 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAS 177 over Wolf River?

The structure is 804 ft (245.1 m) long with a longest span of 69 ft (21 m) and a deck 116 ft wide.

Who owns FAS 177 over Wolf River?

It is owned by the State Highway Agency.