US Bridges

I55 over I-240 / I-55

Fair

Shelby County, Tennessee · I55 & I240 JCT · Structure no. 79I00550038

Built
1958
67 years old, rebuilt 1998
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
244 ft
2 main spans
Daily traffic
102,621
2021 count
Owner
State
State Highway Agency

About this bridge

I55 over I-240 / I-55 is a prestressed concrete continuous box beam or girders - multiple carrying I55 over I-240 / I-55 in Shelby County, Tennessee. It was built in 1958 and reconstructed in 1998, so it is 67 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 102,621 vehicles a day, roughly 8% of them trucks, projected to reach 150,400 by 2040. The structure is 244 ft (74.3 m) long and 68 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI55
CrossesI-240 / I-55
LocationI55 & I240 JCT
RouteInterstate 240
CountyShelby County
StateTennessee
Coordinates35.07319, -90.02811
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length244 ft (74.3 m)
Longest span79 ft (24 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,621 (2021)
Projected traffic150,400 by 2040
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I55 over I-240 / I-55 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1998.

What condition is I55 over I-240 / I-55 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 January 2025.

How much traffic does I55 over I-240 / I-55 carry?

About 102,621 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I55 over I-240 / I-55?

The structure is 244 ft (74.3 m) long with a longest span of 79 ft (24 m) and a deck 68 ft wide.

Who owns I55 over I-240 / I-55?

It is owned by the State Highway Agency.