US Bridges

I-57 NB over Kankakee River

Fair

Kankakee County, Illinois · 2.9 M N of 45 & 52 · Structure no. 046013500000000

Built
2016
9 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
886 ft
5 main spans
Daily traffic
11,650
2023 count
Owner
State
State Highway Agency

About this bridge

I-57 NB over Kankakee River is a steel continuous stringer/multi-beam or girder carrying I-57 NB over Kankakee River in Kankakee County, Illinois. It was built in 2016, so it is 9 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 11,650 vehicles a day, roughly 29% of them trucks, projected to reach 12,546 by 2046. The structure is 886 ft (270.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-57 NB
CrossesKankakee River
Location2.9 M N of 45 & 52
RouteInterstate 57
CountyKankakee County
StateIllinois
Coordinates41.09973, -87.83476
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length886 ft (270.1 m)
Longest span180 ft (54.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,650 (2023)
Projected traffic12,546 by 2046
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-57 NB over Kankakee River built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-57 NB over Kankakee River 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 2023.

How much traffic does I-57 NB over Kankakee River carry?

About 11,650 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is I-57 NB over Kankakee River?

The structure is 886 ft (270.1 m) long with a longest span of 180 ft (54.9 m) and a deck 43 ft wide.

Who owns I-57 NB over Kankakee River?

It is owned by the State Highway Agency.