US Bridges

Il 394 over North Creek

Fair

Cook County, Illinois · 2.4 M S I-80 · Structure no. 016103700000000

Built
1954
71 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
72,000
2024 count
Owner
State
State Highway Agency

About this bridge

Il 394 over North Creek is a concrete continuous culvert carrying Il 394 over North Creek in Cook County, Illinois. It was built in 1954, 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 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 72,000 vehicles a day, roughly 10% of them trucks, projected to reach 71,811 by 2046. The structure is 39 ft (12 m) long.

CarriesIl 394
CrossesNorth Creek
Location2.4 M S I-80
RouteState Highway 394
Coordinates41.54467, -87.58263
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length39 ft (12 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,000 (2024)
Projected traffic71,811 by 2046
Trucks10%
Lanes on structure4
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 394 over North Creek built?

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

What condition is Il 394 over North 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 February 2023.

How much traffic does Il 394 over North Creek carry?

About 72,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Il 394 over North Creek?

The structure is 39 ft (12 m) long with a longest span of 12 ft (3.7 m).

Who owns Il 394 over North Creek?

It is owned by the State Highway Agency.