US Bridges

I- 90 EB Skyway over I- 94 Dan Ryan

Fair

Cook County, Illinois · At 65th · Structure no. 016284000000000

Built
2004
21 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
738 ft
5 main spans
Daily traffic
18,350
2021 count
Owner
State
State Highway Agency

About this bridge

I- 90 EB Skyway over I- 94 Dan Ryan is a steel continuous stringer/multi-beam or girder carrying I- 90 EB Skyway over I- 94 Dan Ryan in Cook County, Illinois. It was built in 2004, so it is 21 years old, younger 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 6 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 18,350 vehicles a day, roughly 12% of them trucks, projected to reach 18,534 by 2046. The structure is 738 ft (224.8 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI- 90 EB Skyway
CrossesI- 94 Dan Ryan
LocationAt 65th
RouteInterstate 90
Coordinates41.77668, -87.6297
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length738 ft (224.8 m)
Longest span189 ft (57.7 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,350 (2021)
Projected traffic18,534 by 2046
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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- 90 EB Skyway over I- 94 Dan Ryan built?

It was built in 2004, making it 21 years old in 2025.

What condition is I- 90 EB Skyway over I- 94 Dan Ryan 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 October 2023.

How much traffic does I- 90 EB Skyway over I- 94 Dan Ryan carry?

About 18,350 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is I- 90 EB Skyway over I- 94 Dan Ryan?

The structure is 738 ft (224.8 m) long with a longest span of 189 ft (57.7 m) and a deck 47 ft wide.

Who owns I- 90 EB Skyway over I- 94 Dan Ryan?

It is owned by the State Highway Agency.