US Bridges

I-294 SB over Midlothian Turnpike

Good

Cook County, Illinois · 1.7 M SE 127st P3 · Structure no. 016985000000000

Built
1958
67 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
71,700
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-294 SB over Midlothian Turnpike is a prestressed concrete stringer/multi-beam or girder carrying I-294 SB over Midlothian Turnpike in Cook County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 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 71,700 vehicles a day, roughly 19% of them trucks, projected to reach 62,216 by 2046. The structure is 69 ft (21 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-294 SB
CrossesMidlothian Turnpike
Location1.7 M SE 127st P3
RouteInterstate 294
CountyCook County
StateIllinois
Coordinates41.64149, -87.72017
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating92.8 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length69 ft (21 m)
Longest span66 ft (20.1 m)
Deck width61 ft (18.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,700 (2023)
Projected traffic62,216 by 2046
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$333,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-294 SB over Midlothian Turnpike built?

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

What condition is I-294 SB over Midlothian Turnpike 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 May 2023.

How much traffic does I-294 SB over Midlothian Turnpike carry?

About 71,700 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I-294 SB over Midlothian Turnpike?

The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 61 ft wide.

Who owns I-294 SB over Midlothian Turnpike?

It is owned by the State Toll Authority.