US Bridges

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

Fair

Shelby County, Tennessee · 1 MI W of SR 14 JCT · Structure no. 79I00400084

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
752 ft
10 main spans
Daily traffic
101,149
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 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 101,149 vehicles a day, roughly 8% of them trucks, projected to reach 161,838 by 2042. The structure is 752 ft (229.2 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40-LL
CrossesI-40 W.B. / Wolf River
Location1 MI W of SR 14 JCT
RouteInterstate 40
CountyShelby County
StateTennessee
Coordinates35.19008, -89.94247
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans10
Design loadHS 20 + Mod
Structure length752 ft (229.2 m)
Longest span76 ft (23.2 m)
Deck width73 ft (22.3 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101,149 (2021)
Projected traffic161,838 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 101,149 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 752 ft (229.2 m) long with a longest span of 76 ft (23.2 m) and a deck 73 ft wide.

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

It is owned by the State Highway Agency.