US Bridges

Willow RD over Skokie River

Good

Cook County, Illinois · 0.4 M E I-94 · Structure no. 016081800000000

Built
1935
90 years old, rebuilt 1993
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
84 ft
3 main spans
Daily traffic
17,300
2022 count
Owner
State
State Highway Agency

About this bridge

Willow RD over Skokie River is a steel continuous stringer/multi-beam or girder carrying Willow RD over Skokie River in Cook County, Illinois. It was built in 1935 and reconstructed in 1993, so it is 90 years old, older 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 17,300 vehicles a day, roughly 4% of them trucks, projected to reach 16,968 by 2046. The structure is 84 ft (25.5 m) long and 61 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWillow RD
CrossesSkokie River
Location0.4 M E I-94
Coordinates42.10133, -87.75916
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length84 ft (25.5 m)
Longest span74 ft (22.6 m)
Deck width61 ft (18.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,300 (2022)
Projected traffic16,968 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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$932,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Willow RD over Skokie River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1993.

What condition is Willow RD over Skokie River 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 March 2024.

How much traffic does Willow RD over Skokie River carry?

About 17,300 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Willow RD over Skokie River?

The structure is 84 ft (25.5 m) long with a longest span of 74 ft (22.6 m) and a deck 61 ft wide.

Who owns Willow RD over Skokie River?

It is owned by the State Highway Agency.