US Bridges

I0040 over SR1/I40 Wbl/Ramp 12BF

Good

Shelby County, Tennessee · Ramp I40 WB to I40 WB · Structure no. 79I00400168

Built
2016
9 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,565 ft
8 main spans
Daily traffic
96,170
2021 count
Owner
State
State Highway Agency

About this bridge

I0040 over SR1/I40 Wbl/Ramp 12BF is a steel continuous stringer/multi-beam or girder carrying I0040 over SR1/I40 Wbl/Ramp 12BF in Shelby County, Tennessee. It was built in 2016, so it is 9 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 96,170 vehicles a day, roughly 8% of them trucks, projected to reach 173,803 by 2041. The structure is 1,565 ft (477 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI0040
CrossesSR1/I40 Wbl/Ramp 12BF
LocationRamp I40 WB to I40 WB
RouteInterstate I0240
Coordinates35.15413, -89.88782
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length1,565 ft (477 m)
Longest span224 ft (68.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,170 (2021)
Projected traffic173,803 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0040 over SR1/I40 Wbl/Ramp 12BF built?

It was built in 2016, making it 9 years old in 2025.

What condition is I0040 over SR1/I40 Wbl/Ramp 12BF in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does I0040 over SR1/I40 Wbl/Ramp 12BF carry?

About 96,170 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I0040 over SR1/I40 Wbl/Ramp 12BF?

The structure is 1,565 ft (477 m) long with a longest span of 224 ft (68.3 m) and a deck 44 ft wide.

Who owns I0040 over SR1/I40 Wbl/Ramp 12BF?

It is owned by the State Highway Agency.