US Bridges

I- 94 EB over Thorn Creek

Fair

Cook County, Illinois · I-94 Ramp @ I-80 · Structure no. 016280700000000

Built
2006
19 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
683 ft
6 main spans
Daily traffic
37,050
2024 count
Owner
State
State Highway Agency

About this bridge

I- 94 EB over Thorn Creek is a steel continuous stringer/multi-beam or girder carrying I- 94 EB over Thorn Creek in Cook County, Illinois. It was built in 2006, so it is 19 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 37,050 vehicles a day, roughly 23% of them trucks, projected to reach 32,068 by 2046. The structure is 683 ft (208.1 m) long and 51 ft wide.

CarriesI- 94 EB
CrossesThorn Creek
LocationI-94 Ramp @ I-80
RouteInterstate 94
Coordinates41.58193, -87.58256
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating60.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length683 ft (208.1 m)
Longest span128 ft (39 m)
Deck width51 ft (15.4 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,050 (2024)
Projected traffic32,068 by 2046
Trucks23%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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- 94 EB over Thorn Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is I- 94 EB over Thorn 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 July 2023.

How much traffic does I- 94 EB over Thorn Creek carry?

About 37,050 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is I- 94 EB over Thorn Creek?

The structure is 683 ft (208.1 m) long with a longest span of 128 ft (39 m) and a deck 51 ft wide.

Who owns I- 94 EB over Thorn Creek?

It is owned by the State Highway Agency.