US Bridges

I55 over I-55 / Wilson RD

Fair

Shelby County, Tennessee · 1.3 MI N of Ms-Tn ST LN · Structure no. 79I00550003

Built
1960
65 years old, rebuilt 2002
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
3 main spans
Daily traffic
104,835
2021 count
Owner
State
State Highway Agency

About this bridge

I55 over I-55 / Wilson RD is a prestressed concrete stringer/multi-beam or girder carrying I55 over I-55 / Wilson RD in Shelby County, Tennessee. It was built in 1960 and reconstructed in 2002, so it is 65 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 104,835 vehicles a day, roughly 8% of them trucks, projected to reach 167,736 by 2042. The structure is 129 ft (39.2 m) long and 152 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI55
CrossesI-55 / Wilson RD
Location1.3 MI N of Ms-Tn ST LN
RouteInterstate 55
CountyShelby County
StateTennessee
Coordinates35.01378, -90.00233
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length129 ft (39.2 m)
Longest span59 ft (18.1 m)
Deck width152 ft (46.3 m)
Roadway width150 ft (45.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104,835 (2021)
Projected traffic167,736 by 2042
Trucks8%
Lanes on structure8
Traffic directionTwo-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 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-55 / Wilson RD built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2002.

What condition is I55 over I-55 / Wilson RD 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 I55 over I-55 / Wilson RD carry?

About 104,835 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I55 over I-55 / Wilson RD?

The structure is 129 ft (39.2 m) long with a longest span of 59 ft (18.1 m) and a deck 152 ft wide.

Who owns I55 over I-55 / Wilson RD?

It is owned by the State Highway Agency.