US Bridges

Il 72 over Poplar Creek

Fair

Cook County, Illinois · 0.2 M SE I-90 · Structure no. 016116800000000

Built
1939
86 years old, rebuilt 1970
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
18,800
2023 count
Owner
State
State Highway Agency

About this bridge

Il 72 over Poplar Creek is a concrete continuous culvert carrying Il 72 over Poplar Creek in Cook County, Illinois. It was built in 1939 and reconstructed in 1970, so it is 86 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 18,800 vehicles a day, roughly 6% of them trucks, projected to reach 16,766 by 2046. The structure is 24 ft (7.3 m) long and 140 ft wide.

CarriesIl 72
CrossesPoplar Creek
Location0.2 M SE I-90
RouteState Highway 72
Coordinates42.06487, -88.15576
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckOther
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.6 m)
Deck width140 ft (42.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2023)
Projected traffic16,766 by 2046
Trucks6%
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 over Poplar Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1970.

What condition is Il 72 over Poplar 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 March 2023.

How much traffic does Il 72 over Poplar Creek carry?

About 18,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 72 over Poplar Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.6 m) and a deck 140 ft wide.

Who owns Il 72 over Poplar Creek?

It is owned by the State Highway Agency.