US Bridges

IL-390 Ramp over Willow Creek

Good

DuPage County, Illinois · 0.1 MI W York RD · Structure no. 022951000000000

Built
2017
8 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
7,450
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

IL-390 Ramp over Willow Creek is a concrete culvert carrying IL-390 Ramp over Willow Creek in DuPage County, Illinois. It was built in 2017, so it is 8 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,450 vehicles a day, roughly 19% of them trucks, projected to reach 2,778 by 2046. The structure is 31 ft (9.3 m) long.

Location

Open in Google Maps
CarriesIL-390 Ramp
CrossesWillow Creek
Location0.1 MI W York RD
RouteCounty Highway 0
CountyDuPage County
StateIllinois
Coordinates41.97632, -87.94098
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans3
Design loadHS 25 or greater
Structure length31 ft (9.3 m)
Longest span0 ft (0 m)
Deck width0 ft (0 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,450 (2024)
Projected traffic2,778 by 2046
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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-390 Ramp over Willow Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is IL-390 Ramp over Willow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does IL-390 Ramp over Willow Creek carry?

About 7,450 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is IL-390 Ramp over Willow Creek?

The structure is 31 ft (9.3 m) long.

Who owns IL-390 Ramp over Willow Creek?

It is owned by the State Toll Authority.