US Bridges

Kedzie Ave over S Lag Marquette Park

Good

Cook County, Illinois · 3.2 M N US 12 20 · Structure no. 016076000000000

Built
1933
92 years old, rebuilt 2012
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
16,700
2023 count
Owner
State
State Highway Agency

About this bridge

Kedzie Ave over S Lag Marquette Park is a steel stringer/multi-beam or girder carrying Kedzie Ave over S Lag Marquette Park in Cook County, Illinois. It was built in 1933 and reconstructed in 2012, so it is 92 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 16,700 vehicles a day, roughly 4% of them trucks, projected to reach 16,700 by 2046. The structure is 44 ft (13.4 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKedzie Ave
CrossesS Lag Marquette Park
Location3.2 M N US 12 20
Coordinates41.76583, -87.70285
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width76 ft (23.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2023)
Projected traffic16,700 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kedzie Ave over S Lag Marquette Park built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2012.

What condition is Kedzie Ave over S Lag Marquette Park 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 August 2022.

How much traffic does Kedzie Ave over S Lag Marquette Park carry?

About 16,700 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Kedzie Ave over S Lag Marquette Park?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 76 ft wide.

Who owns Kedzie Ave over S Lag Marquette Park?

It is owned by the State Highway Agency.