US Bridges

Il 171 (cumberland over I- 90 Jfk & Cta

Good

Cook County, Illinois · 1.5M W of IL43 · Structure no. 016125000000000

Built
2014
11 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
274 ft
2 main spans
Daily traffic
26,000
2023 count
Owner
State
State Highway Agency

About this bridge

Il 171 (cumberland over I- 90 Jfk & Cta is a concrete continuous stringer/multi-beam or girder carrying Il 171 (cumberland over I- 90 Jfk & Cta in Cook County, Illinois. It was built in 2014, so it is 11 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 26,000 vehicles a day, roughly 3% of them trucks, projected to reach 27,068 by 2046. The structure is 274 ft (83.5 m) long and 138 ft wide.

Location

Open in Google Maps
CarriesIl 171 (cumberland
CrossesI- 90 Jfk & Cta
Location1.5M W of IL43
RouteState Highway 171
CountyCook County
StateIllinois
Coordinates41.98449, -87.83659
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length274 ft (83.5 m)
Longest span144 ft (43.9 m)
Deck width138 ft (42.1 m)
Roadway width118 ft (36 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2023)
Projected traffic27,068 by 2046
Trucks3%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
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 Il 171 (cumberland over I- 90 Jfk & Cta built?

It was built in 2014, making it 11 years old in 2025.

What condition is Il 171 (cumberland over I- 90 Jfk & Cta 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 April 2024.

How much traffic does Il 171 (cumberland over I- 90 Jfk & Cta carry?

About 26,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Il 171 (cumberland over I- 90 Jfk & Cta?

The structure is 274 ft (83.5 m) long with a longest span of 144 ft (43.9 m) and a deck 138 ft wide.

Who owns Il 171 (cumberland over I- 90 Jfk & Cta?

It is owned by the State Highway Agency.