US Bridges

Il 72 (lee St) over Willow Creek

Fair

Cook County, Illinois · 0.2 M S I-90 NW Toll · Structure no. 016050600000000

Built
1940
85 years old, rebuilt 1965
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
29,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 72 (lee St) over Willow Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 72 (lee St) over Willow Creek in Cook County, Illinois. It was built in 1940 and reconstructed in 1965, so it is 85 years old, older 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 29,700 vehicles a day, roughly 4% of them trucks, projected to reach 18,483 by 2046. The structure is 64 ft (19.6 m) long and 70 ft wide.

Location

Open in Google Maps
CarriesIl 72 (lee St)
CrossesWillow Creek
Location0.2 M S I-90 NW Toll
RouteState Highway 72
CountyCook County
StateIllinois
Coordinates42.00204, -87.89419
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.6 m)
Longest span58 ft (17.7 m)
Deck width70 ft (21.3 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,700 (2023)
Projected traffic18,483 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Il 72 (lee St) over Willow Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1965.

What condition is Il 72 (lee St) over Willow Creek 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 July 2023.

How much traffic does Il 72 (lee St) over Willow Creek carry?

About 29,700 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Il 72 (lee St) over Willow Creek?

The structure is 64 ft (19.6 m) long with a longest span of 58 ft (17.7 m) and a deck 70 ft wide.

Who owns Il 72 (lee St) over Willow Creek?

It is owned by the State Highway Agency.