US Bridges

Ill. Rte. 25 Ramp over I-90

Good

Cook County, Illinois · 0.25 MI E. of Il. 25 · Structure no. 016905700000000

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
267 ft
2 main spans
Daily traffic
3,500
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ill. Rte. 25 Ramp over I-90 is a steel continuous stringer/multi-beam or girder carrying Ill. Rte. 25 Ramp over I-90 in Cook County, Illinois. It was built in 2015, so it is 10 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 3,500 vehicles a day, projected to reach 2,980 by 2046. The structure is 267 ft (81.4 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIll. Rte. 25 Ramp
CrossesI-90
Location0.25 MI E. of Il. 25
CountyCook County
StateIllinois
Coordinates42.06687, -88.25852
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length267 ft (81.4 m)
Longest span137 ft (41.8 m)
Deck width74 ft (22.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic2,980 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Ill. Rte. 25 Ramp over I-90 built?

It was built in 2015, making it 10 years old in 2025.

What condition is Ill. Rte. 25 Ramp over I-90 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 July 2023.

How much traffic does Ill. Rte. 25 Ramp over I-90 carry?

About 3,500 vehicles per day (2023 count).

How long is Ill. Rte. 25 Ramp over I-90?

The structure is 267 ft (81.4 m) long with a longest span of 137 ft (41.8 m) and a deck 74 ft wide.

Who owns Ill. Rte. 25 Ramp over I-90?

It is owned by the State Toll Authority.