US Bridges

FAU 4186 over Wolf River

Fair

Shelby County, Tennessee · Highland ST - Memphis · Structure no. 79028240003

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
980 ft
13 main spans
Daily traffic
4,669
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4186 over Wolf River is a prestressed concrete stringer/multi-beam or girder carrying FAU 4186 over Wolf River in Shelby County, Tennessee. It was built in 1974, so it is 51 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 5 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 4,669 vehicles a day, roughly 8% of them trucks, projected to reach 7,470 by 2042. The structure is 980 ft (298.6 m) long and 76 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAU 4186
CrossesWolf River
LocationHighland ST - Memphis
RouteCity Street 4186
CountyShelby County
StateTennessee
Coordinates35.18497, -89.94419
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans13
Design loadHS 20
Structure length980 ft (298.6 m)
Longest span77 ft (23.6 m)
Deck width76 ft (23.2 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,669 (2021)
Projected traffic7,470 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 4186 over Wolf River built?

It was built in 1974, making it 51 years old in 2025.

What condition is FAU 4186 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 September 2024.

How much traffic does FAU 4186 over Wolf River carry?

About 4,669 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAU 4186 over Wolf River?

The structure is 980 ft (298.6 m) long with a longest span of 77 ft (23.6 m) and a deck 76 ft wide.

Who owns FAU 4186 over Wolf River?

It is owned by the City or Municipal Highway Agency.