US Bridges

I- 55 EB to I90 94 over Chi River; Cermak;rr

Fair

Cook County, Illinois · 1.4 M SW I-290 · Structure no. 016107000000000

Built
1962
63 years old, rebuilt 1994
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
517 ft
3 main spans
Daily traffic
32,300
2024 count
Owner
State
State Highway Agency

About this bridge

I- 55 EB to I90 94 over Chi River; Cermak;rr is a steel continuous stringer/multi-beam or girder carrying I- 55 EB to I90 94 over Chi River; Cermak;rr in Cook County, Illinois. It was built in 1962 and reconstructed in 1994, so it is 63 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 32,300 vehicles a day, roughly 8% of them trucks, projected to reach 18,786 by 2046. The structure is 517 ft (157.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI- 55 EB to I90 94
CrossesChi River; Cermak;rr
Location1.4 M SW I-290
Coordinates41.84999, -87.64426
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length517 ft (157.6 m)
Longest span220 ft (67.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,300 (2024)
Projected traffic18,786 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed3.1 mi (5 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$9.3 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I- 55 EB to I90 94 over Chi River; Cermak;rr built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1994.

What condition is I- 55 EB to I90 94 over Chi River; Cermak;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 June 2023.

How much traffic does I- 55 EB to I90 94 over Chi River; Cermak;rr carry?

About 32,300 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is I- 55 EB to I90 94 over Chi River; Cermak;rr?

The structure is 517 ft (157.6 m) long with a longest span of 220 ft (67.1 m) and a deck 33 ft wide.

Who owns I- 55 EB to I90 94 over Chi River; Cermak;rr?

It is owned by the State Highway Agency.