US Bridges

Kean Ave over Mill Creek

Good

Cook County, Illinois · 0.4 M S of Il 83 · Structure no. 016276900000000

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

Kean Ave over Mill Creek is a steel stringer/multi-beam or girder carrying Kean Ave over Mill Creek in Cook County, Illinois. It was built in 2002, so it is 23 years old, younger 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 225 vehicles a day, roughly 1% of them trucks, projected to reach 278 by 2046. The structure is 53 ft (16.2 m) long and 33 ft wide.

CarriesKean Ave
CrossesMill Creek
Location0.4 M S of Il 83
Coordinates41.67664, -87.84407
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating74 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span50 ft (15.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic278 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kean Ave over Mill Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Kean Ave over Mill Creek 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 Kean Ave over Mill Creek carry?

About 225 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Kean Ave over Mill Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.3 m) and a deck 33 ft wide.

Who owns Kean Ave over Mill Creek?

It is owned by the State Highway Agency.