US Bridges

Chicago Ave-Clark over Cta Skokie Swift

Good

Cook County, Illinois · 0.18 M N Howard P6 · Structure no. 016695400000000

Built
1924
101 years old, rebuilt 2001
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
90 ft
2 main spans
Daily traffic
12,400
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chicago Ave-Clark over Cta Skokie Swift is a steel continuous stringer/multi-beam or girder carrying Chicago Ave-Clark over Cta Skokie Swift in Cook County, Illinois. It was built in 1924 and reconstructed in 2001, so it is 101 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 12,400 vehicles a day, roughly 5% of them trucks, projected to reach 14,746 by 2046. The structure is 90 ft (27.5 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesChicago Ave-Clark
CrossesCta Skokie Swift
Location0.18 M N Howard P6
CountyCook County
StateIllinois
Coordinates42.02226, -87.67701
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.7 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.5 m)
Longest span43 ft (13.1 m)
Deck width66 ft (20.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,400 (2022)
Projected traffic14,746 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$728,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chicago Ave-Clark over Cta Skokie Swift built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 2001.

What condition is Chicago Ave-Clark over Cta Skokie Swift 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 July 2024.

How much traffic does Chicago Ave-Clark over Cta Skokie Swift carry?

About 12,400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Chicago Ave-Clark over Cta Skokie Swift?

The structure is 90 ft (27.5 m) long with a longest span of 43 ft (13.1 m) and a deck 66 ft wide.

Who owns Chicago Ave-Clark over Cta Skokie Swift?

It is owned by the City or Municipal Highway Agency.