US Bridges

I55 over I-55 Exit Ramp / CSX RR

Fair

Shelby County, Tennessee · 0.6 MI S of SR 1 JCT · Structure no. 79I00550107

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
3 main spans
Daily traffic
63,357
2021 count
Owner
State
State Highway Agency

About this bridge

I55 over I-55 Exit Ramp / CSX RR is a prestressed concrete stringer/multi-beam or girder carrying I55 over I-55 Exit Ramp / CSX RR in Shelby County, Tennessee. It was built in 1963, so it is 62 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 63,357 vehicles a day, roughly 8% of them trucks, projected to reach 6,400 by 2040. The structure is 145 ft (44.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI55
CrossesI-55 Exit Ramp / CSX RR
Location0.6 MI S of SR 1 JCT
RouteInterstate 55
CountyShelby County
StateTennessee
Coordinates35.1175, -90.0725
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 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
Structure length145 ft (44.2 m)
Longest span59 ft (18 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,357 (2021)
Projected traffic6,400 by 2040
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 Exit Ramp / CSX RR built?

It was built in 1963, making it 62 years old in 2025.

What condition is I55 over I-55 Exit Ramp / CSX RR 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 Exit Ramp / CSX RR carry?

About 63,357 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I55 over I-55 Exit Ramp / CSX RR?

The structure is 145 ft (44.2 m) long with a longest span of 59 ft (18 m) and a deck 29 ft wide.

Who owns I55 over I-55 Exit Ramp / CSX RR?

It is owned by the State Highway Agency.