US Bridges

Ill 1 over Trim CR

Fair

Kankakee County, Illinois · 0.2 M W. Grant Park · Structure no. 046002100000000

Built
1954
71 years old, rebuilt 1990
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
96 ft
2 main spans
Daily traffic
2,950
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 1 over Trim CR is a steel continuous stringer/multi-beam or girder carrying Ill 1 over Trim CR in Kankakee County, Illinois. It was built in 1954 and reconstructed in 1990, so it is 71 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 5 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 2,950 vehicles a day, roughly 32% of them trucks, projected to reach 3,258 by 2035. The structure is 96 ft (29.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIll 1
CrossesTrim CR
Location0.2 M W. Grant Park
RouteState Highway 1
CountyKankakee County
StateIllinois
Coordinates41.23718, -87.65962
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating64.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span46 ft (14 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2023)
Projected traffic3,258 by 2035
Trucks32%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$297,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 1 over Trim CR built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1990.

What condition is Ill 1 over Trim CR 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 Ill 1 over Trim CR carry?

About 2,950 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is Ill 1 over Trim CR?

The structure is 96 ft (29.3 m) long with a longest span of 46 ft (14 m) and a deck 34 ft wide.

Who owns Ill 1 over Trim CR?

It is owned by the State Highway Agency.