US Bridges

Il 83 over Willow Creek Trib

Good

DuPage County, Illinois · 0.14 M S of Thornd · Structure no. 022057100000000

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
34,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 83 over Willow Creek Trib is a concrete culvert carrying Il 83 over Willow Creek Trib 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34,700 vehicles a day, roughly 18% of them trucks, projected to reach 30,098 by 2046. The structure is 30 ft (9.1 m) long.

CarriesIl 83
CrossesWillow Creek Trib
Location0.14 M S of Thornd
RouteState Highway 83
Coordinates41.98089, -87.95937
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.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.6 US tons
Inventory rating80.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span0 ft (0 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,700 (2023)
Projected traffic30,098 by 2046
Trucks18%
Lanes on structure6
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 83 over Willow Creek Trib built?

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

What condition is Il 83 over Willow Creek Trib 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 August 2023.

How much traffic does Il 83 over Willow Creek Trib carry?

About 34,700 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Il 83 over Willow Creek Trib?

The structure is 30 ft (9.1 m) long.

Who owns Il 83 over Willow Creek Trib?

It is owned by the State Highway Agency.