US Bridges

Gary Mill RD over W Br Du Page River

Good

DuPage County, Illinois · 0.02 M E of Il 59 · Structure no. 022016200000000

Built
1988
37 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
3 main spans
Daily traffic
5,150
2024 count
Owner
State
State Highway Agency

About this bridge

Gary Mill RD over W Br Du Page River is a steel continuous stringer/multi-beam or girder carrying Gary Mill RD over W Br Du Page River in DuPage County, Illinois. It was built in 1988, so it is 37 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 5,150 vehicles a day, roughly 5% of them trucks, projected to reach 5,353 by 2046. The structure is 127 ft (38.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGary Mill RD
CrossesW Br Du Page River
Location0.02 M E of Il 59
Coordinates41.85818, -88.19366
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.2 US tons
Inventory rating33.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2024)
Projected traffic5,353 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Gary Mill RD over W Br Du Page River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Gary Mill RD over W Br Du Page River 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 April 2023.

How much traffic does Gary Mill RD over W Br Du Page River carry?

About 5,150 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Gary Mill RD over W Br Du Page River?

The structure is 127 ft (38.7 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns Gary Mill RD over W Br Du Page River?

It is owned by the State Highway Agency.