US Bridges

ST Charles RD over I-290

Fair

Cook County, Illinois · 1.1 M S Il 64 · Structure no. 016113600000000

Built
1960
65 years old, rebuilt 2021
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
4 main spans
Daily traffic
17,100
2022 count
Owner
State
State Highway Agency

About this bridge

ST Charles RD over I-290 is a steel continuous stringer/multi-beam or girder carrying ST Charles RD over I-290 in Cook County, Illinois. It was built in 1960 and reconstructed in 2021, so it is 65 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,100 vehicles a day, roughly 8% of them trucks, projected to reach 17,271 by 2046. The structure is 232 ft (70.7 m) long and 102 ft wide.

CarriesST Charles RD
CrossesI-290
Location1.1 M S Il 64
Coordinates41.88974, -87.9204
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span73 ft (22.3 m)
Deck width102 ft (31 m)
Roadway width86 ft (26.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,100 (2022)
Projected traffic17,271 by 2046
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST Charles RD over I-290 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2021.

What condition is ST Charles RD over I-290 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does ST Charles RD over I-290 carry?

About 17,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is ST Charles RD over I-290?

The structure is 232 ft (70.7 m) long with a longest span of 73 ft (22.3 m) and a deck 102 ft wide.

Who owns ST Charles RD over I-290?

It is owned by the State Highway Agency.