US Bridges

I40 over N. Lauderdale St.

Fair

Shelby County, Tennessee · 1 MI E of Ark-Tn ST LN · Structure no. 79I00400003

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
3 main spans
Daily traffic
53,211
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over N. Lauderdale St. is a steel continuous stringer/multi-beam or girder carrying I40 over N. Lauderdale St. in Shelby County, Tennessee. It was built in 1973, so it is 52 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 53,211 vehicles a day, roughly 8% of them trucks, projected to reach 85,138 by 2042. The structure is 237 ft (72.2 m) long and 132 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesI40
CrossesN. Lauderdale St.
Location1 MI E of Ark-Tn ST LN
RouteInterstate 40
CountyShelby County
StateTennessee
Coordinates35.15153, -90.04469
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span104 ft (31.7 m)
Deck width132 ft (40.1 m)
Roadway width130 ft (39.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,211 (2021)
Projected traffic85,138 by 2042
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed12.4 mi (20 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over N. Lauderdale St. built?

It was built in 1973, making it 52 years old in 2025.

What condition is I40 over N. Lauderdale St. 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 November 2024.

How much traffic does I40 over N. Lauderdale St. carry?

About 53,211 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40 over N. Lauderdale St.?

The structure is 237 ft (72.2 m) long with a longest span of 104 ft (31.7 m) and a deck 132 ft wide.

Who owns I40 over N. Lauderdale St.?

It is owned by the State Highway Agency.