US Bridges

I- 90 94 SB to I55 over Chi Riv &canal P-Ave

Fair

Cook County, Illinois · 1.5 M SW I-290 · Structure no. 016106600000000

Built
1962
63 years old, rebuilt 1990
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,700 ft
22 main spans
Daily traffic
35,100
2024 count
Owner
State
State Highway Agency

About this bridge

I- 90 94 SB to I55 over Chi Riv &canal P-Ave is a steel continuous stringer/multi-beam or girder carrying I- 90 94 SB to I55 over Chi Riv &canal P-Ave in Cook County, Illinois. It was built in 1962 and reconstructed in 1990, 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 35,100 vehicles a day, roughly 4% of them trucks, projected to reach 25,856 by 2046. The structure is 2,700 ft (823 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI- 90 94 SB to I55
CrossesChi Riv &canal P-Ave
Location1.5 M SW I-290
Coordinates41.85738, -87.64448
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 geometry2: Basically intolerable, requiring high priority of replacement
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 spans22
Design loadHS 20 + Mod
Structure length2,700 ft (823 m)
Longest span126 ft (38.4 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,100 (2024)
Projected traffic25,856 by 2046
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
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$13.9 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I- 90 94 SB to I55 over Chi Riv &canal P-Ave built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1990.

What condition is I- 90 94 SB to I55 over Chi Riv &canal P-Ave 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- 90 94 SB to I55 over Chi Riv &canal P-Ave carry?

About 35,100 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is I- 90 94 SB to I55 over Chi Riv &canal P-Ave?

The structure is 2,700 ft (823 m) long with a longest span of 126 ft (38.4 m) and a deck 35 ft wide.

Who owns I- 90 94 SB to I55 over Chi Riv &canal P-Ave?

It is owned by the State Highway Agency.