US Bridges

Il 59 & Horse Pat over Poplar Creek

Fair

Cook County, Illinois · .01 M S Il 58 · Structure no. 016208800000000

Built
1977
48 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
65 ft
5 main spans
Daily traffic
37,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 59 & Horse Pat over Poplar Creek is a concrete continuous culvert carrying Il 59 & Horse Pat over Poplar Creek in Cook County, Illinois. It was built in 1977, so it is 48 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 37,200 vehicles a day, roughly 9% of them trucks, projected to reach 36,259 by 2046. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIl 59 & Horse Pat
CrossesPoplar Creek
Location.01 M S Il 58
RouteState Highway 59
Coordinates42.04516, -88.19407
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,200 (2023)
Projected traffic36,259 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 59 & Horse Pat over Poplar Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Il 59 & Horse Pat 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 June 2024.

How much traffic does Il 59 & Horse Pat over Poplar Creek carry?

About 37,200 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Il 59 & Horse Pat over Poplar Creek?

The structure is 65 ft (19.8 m) long with a longest span of 13 ft (4.1 m).

Who owns Il 59 & Horse Pat over Poplar Creek?

It is owned by the State Highway Agency.