US Bridges

US 41 NB to I-55 W over US 41 Lsd

Good

Cook County, Illinois · 1.6 M E of I-94 · Structure no. 016150500000000

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,444 ft
10 main spans
Daily traffic
19,800
2022 count
Owner
State
State Highway Agency

About this bridge

US 41 NB to I-55 W over US 41 Lsd is a steel continuous stringer/multi-beam or girder carrying US 41 NB to I-55 W over US 41 Lsd in Cook County, Illinois. It was built in 2015, so it is 10 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 19,800 vehicles a day, projected to reach 12,524 by 2046. The structure is 1,444 ft (440.1 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesUS 41 NB to I-55 W
CrossesUS 41 Lsd
Location1.6 M E of I-94
CountyCook County
StateIllinois
Coordinates41.84444, -87.61066
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 25 or greater
Structure length1,444 ft (440.1 m)
Longest span180 ft (54.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,800 (2022)
Projected traffic12,524 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US 41 NB to I-55 W over US 41 Lsd built?

It was built in 2015, making it 10 years old in 2025.

What condition is US 41 NB to I-55 W over US 41 Lsd 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 US 41 NB to I-55 W over US 41 Lsd carry?

About 19,800 vehicles per day (2022 count).

How long is US 41 NB to I-55 W over US 41 Lsd?

The structure is 1,444 ft (440.1 m) long with a longest span of 180 ft (54.9 m) and a deck 43 ft wide.

Who owns US 41 NB to I-55 W over US 41 Lsd?

It is owned by the State Highway Agency.