US Bridges

Willow RD over Mcdonald Creek

Good

Cook County, Illinois · 0.4 MI S Palatine RD · Structure no. 016821400000000

Built
1998
27 years old
Condition
Good
inspected March 2022
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
1,550
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Willow RD over Mcdonald Creek is a concrete frame carrying Willow RD over Mcdonald Creek in Cook County, Illinois. It was built in 1998, so it is 27 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 1,550 vehicles a day, roughly 6% of them trucks, projected to reach 1,768 by 2046. The structure is 44 ft (13.3 m) long and 63 ft wide.

CarriesWillow RD
CrossesMcdonald Creek
Location0.4 MI S Palatine RD
RouteCity Street 0
Coordinates42.1038, -87.91588
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span42 ft (12.8 m)
Deck width63 ft (19.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2022)
Projected traffic1,768 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Willow RD over Mcdonald Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Willow RD over Mcdonald 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 2022.

How much traffic does Willow RD over Mcdonald Creek carry?

About 1,550 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Willow RD over Mcdonald Creek?

The structure is 44 ft (13.3 m) long with a longest span of 42 ft (12.8 m) and a deck 63 ft wide.

Who owns Willow RD over Mcdonald Creek?

It is owned by the City or Municipal Highway Agency.