Il 1 over Spring Creek

Good

Kankakee County, Illinois · 4.5 Mi. S. Il 17 · Structure no. 046201000000000

Built: 1993; 32 years old
Condition: Good; inspected January 2021
Type: Culvert; Concrete Continuous
Length: 28 ft; 2 main spans
Daily traffic: 4,450; 2023 count
Owner: State; State Highway Agency

About this bridge

Il 1 over Spring Creek is a concrete continuous culvert carrying Il 1 over Spring Creek in Kankakee County, Illinois. It was built in 1993, so it is 32 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 4,450 vehicles a day, roughly 8% of them trucks, projected to reach 3,927 by 2046. The structure is 28 ft (8.5 m) long and 36 ft wide.

Location

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CarriesIl 1

CrossesSpring Creek

Location4.5 Mi. S. Il 17

RouteState Highway 1

CountyKankakee County

StateIllinois

Coordinates41.06159, -87.72351

Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	7 Good	Some minor problems.

Last inspectionJanuary 2021

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 alignment8: Equal to present desirable criteria

Operating rating70.3 US tons

Inventory rating42.9 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans2

Design loadHS 20

Structure length28 ft (8.5 m)

Longest span28 ft (8.5 m)

Deck width36 ft (11 m)

Roadway width36 ft (11 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2023)

Projected traffic3,927 by 2046

Trucks8%

Lanes on structure2

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 1 over Spring Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Il 1 over Spring 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 January 2021.

How much traffic does Il 1 over Spring Creek carry?

About 4,450 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 1 over Spring Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 36 ft wide.

Who owns Il 1 over Spring Creek?

It is owned by the State Highway Agency.