US Bridges

Plainfield Rd. over I-294

Good

Cook County, Illinois · 1 Mi. N US 66 · Structure no. 016962900000000

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
421 ft
3 main spans
Daily traffic
9,650
2022 count
Owner
County
County Highway Agency

About this bridge

Plainfield Rd. over I-294 is a prestressed concrete continuous stringer/multi-beam or girder carrying Plainfield Rd. over I-294 in Cook County, Illinois. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,650 vehicles a day, roughly 5% of them trucks, projected to reach 14,317 by 2032. The structure is 421 ft (128.2 m) long and 75 ft wide.

CarriesPlainfield Rd.
CrossesI-294
Location1 Mi. N US 66
Coordinates41.77461, -87.90797
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length421 ft (128.2 m)
Longest span155 ft (47.1 m)
Deck width75 ft (22.8 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,650 (2022)
Projected traffic14,317 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Plainfield Rd. over I-294 built?

It was built in 2022, making it 3 years old in 2025.

What condition is Plainfield Rd. over I-294 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 2023.

How much traffic does Plainfield Rd. over I-294 carry?

About 9,650 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Plainfield Rd. over I-294?

The structure is 421 ft (128.2 m) long with a longest span of 155 ft (47.1 m) and a deck 75 ft wide.

Who owns Plainfield Rd. over I-294?

It is owned by the County Highway Agency.