US Bridges

I40-LL over I-40 W.B. / Wolf River

Fair

Shelby County, Tennessee · 0.2 MI S of I40-SR300 JCT · Structure no. 79I00400060

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
751 ft
11 main spans
Daily traffic
103,151
2021 count
Owner
State
State Highway Agency

About this bridge

I40-LL over I-40 W.B. / Wolf River is a prestressed concrete continuous stringer/multi-beam or girder carrying I40-LL over I-40 W.B. / Wolf River in Shelby County, Tennessee. It was built in 1976, so it is 49 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 103,151 vehicles a day, roughly 8% of them trucks, projected to reach 165,042 by 2042. The structure is 751 ft (228.8 m) long and 74 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI40-LL
CrossesI-40 W.B. / Wolf River
Location0.2 MI S of I40-SR300 JCT
RouteInterstate 40
CountyShelby County
StateTennessee
Coordinates35.18611, -90.01786
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans11
Design loadHS 20 + Mod
Structure length751 ft (228.8 m)
Longest span76 ft (23.3 m)
Deck width74 ft (22.6 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103,151 (2021)
Projected traffic165,042 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 I40-LL over I-40 W.B. / Wolf River built?

It was built in 1976, making it 49 years old in 2025.

What condition is I40-LL over I-40 W.B. / 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 October 2024.

How much traffic does I40-LL over I-40 W.B. / Wolf River carry?

About 103,151 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40-LL over I-40 W.B. / Wolf River?

The structure is 751 ft (228.8 m) long with a longest span of 76 ft (23.3 m) and a deck 74 ft wide.

Who owns I40-LL over I-40 W.B. / Wolf River?

It is owned by the State Highway Agency.