US Bridges

I- 55 EB to US 41N over US 41 Lsd & Cn RR

Good

Cook County, Illinois · 1.6 M E of -I94 · Structure no. 016150300000000

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,251 ft
9 main spans
Daily traffic
62,400
2024 count
Owner
State
State Highway Agency

About this bridge

I- 55 EB to US 41N over US 41 Lsd & Cn RR is a steel continuous stringer/multi-beam or girder carrying I- 55 EB to US 41N over US 41 Lsd & Cn RR in Cook County, Illinois. It was built in 2017, so it is 8 years old, younger 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 62,400 vehicles a day, projected to reach 59,085 by 2046. The structure is 1,251 ft (381.3 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI- 55 EB to US 41N
CrossesUS 41 Lsd & Cn RR
Location1.6 M E of -I94
RouteInterstate 55
CountyCook County
StateIllinois
Coordinates41.84956, -87.61227
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 25 or greater
Structure length1,251 ft (381.3 m)
Longest span165 ft (50.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,400 (2024)
Projected traffic59,085 by 2046
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I- 55 EB to US 41N over US 41 Lsd & Cn RR built?

It was built in 2017, making it 8 years old in 2025.

What condition is I- 55 EB to US 41N over US 41 Lsd & Cn RR 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 August 2023.

How much traffic does I- 55 EB to US 41N over US 41 Lsd & Cn RR carry?

About 62,400 vehicles per day (2024 count).

How long is I- 55 EB to US 41N over US 41 Lsd & Cn RR?

The structure is 1,251 ft (381.3 m) long with a longest span of 165 ft (50.3 m) and a deck 43 ft wide.

Who owns I- 55 EB to US 41N over US 41 Lsd & Cn RR?

It is owned by the State Highway Agency.