US Bridges

I55 over I-55 N.B. / Mclemore Ave

Fair

Shelby County, Tennessee · 0.65 Mi. S of SR-1 JCT · Structure no. 79I00550089

Built
1964
61 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
6 main spans
Daily traffic
63,936
2021 count
Owner
State
State Highway Agency

About this bridge

I55 over I-55 N.B. / Mclemore Ave is a prestressed concrete stringer/multi-beam or girder carrying I55 over I-55 N.B. / Mclemore Ave in Shelby County, Tennessee. It was built in 1964, so it is 61 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 63,936 vehicles a day, roughly 8% of them trucks, projected to reach 71,414 by 2042. The structure is 320 ft (97.5 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI55
CrossesI-55 N.B. / Mclemore Ave
Location0.65 Mi. S of SR-1 JCT
RouteInterstate 55
CountyShelby County
StateTennessee
Coordinates35.11633, -90.07186
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length320 ft (97.5 m)
Longest span76 ft (23.3 m)
Deck width46 ft (14 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,936 (2021)
Projected traffic71,414 by 2042
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I55 over I-55 N.B. / Mclemore Ave built?

It was built in 1964, making it 61 years old in 2025.

What condition is I55 over I-55 N.B. / Mclemore Ave 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-55 N.B. / Mclemore Ave carry?

About 63,936 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I55 over I-55 N.B. / Mclemore Ave?

The structure is 320 ft (97.5 m) long with a longest span of 76 ft (23.3 m) and a deck 46 ft wide.

Who owns I55 over I-55 N.B. / Mclemore Ave?

It is owned by the State Highway Agency.