US Bridges

Il 1 over Spring Creek

Fair

Kankakee County, Illinois · 2.6 Mi. S. of Il 17 · Structure no. 046011700000000

Built
1994
31 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
80 ft
3 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 slab carrying Il 1 over Spring Creek in Kankakee County, Illinois. It was built in 1994, so it is 31 years old, younger 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 4,450 vehicles a day, roughly 8% of them trucks, projected to reach 3,927 by 2046. The structure is 80 ft (24.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 1
CrossesSpring Creek
Location2.6 Mi. S. of Il 17
RouteState Highway 1
Coordinates41.08764, -87.72397
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span28 ft (8.5 m)
Deck width39 ft (11.9 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 closed1.9 mi (3 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 1 over Spring Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Il 1 over Spring 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 January 2025.

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 80 ft (24.4 m) long with a longest span of 28 ft (8.5 m) and a deck 39 ft wide.

Who owns Il 1 over Spring Creek?

It is owned by the State Highway Agency.