US Bridges

35th ST over I- 90 94 Ryan & Cta

Fair

Cook County, Illinois · 1.3 M S I-55 · Structure no. 016116000000000

Built
1961
64 years old, rebuilt 2003
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
371 ft
7 main spans
Daily traffic
5,350
2022 count
Owner
State
State Highway Agency

About this bridge

35th ST over I- 90 94 Ryan & Cta is a steel continuous stringer/multi-beam or girder carrying 35th ST over I- 90 94 Ryan & Cta in Cook County, Illinois. It was built in 1961 and reconstructed in 2003, so it is 64 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 5,350 vehicles a day, roughly 8% of them trucks, projected to reach 6,212 by 2046. The structure is 371 ft (113.1 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries35th ST
CrossesI- 90 94 Ryan & Cta
Location1.3 M S I-55
CountyCook County
StateIllinois
Coordinates41.83093, -87.63127
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating98.2 US tons
Inventory rating68.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length371 ft (113.1 m)
Longest span72 ft (21.9 m)
Deck width90 ft (27.3 m)
Roadway width66 ft (20 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic5,350 (2022)
Projected traffic6,212 by 2046
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was 35th ST over I- 90 94 Ryan & Cta built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2003.

What condition is 35th ST over I- 90 94 Ryan & Cta 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 May 2024.

How much traffic does 35th ST over I- 90 94 Ryan & Cta carry?

About 5,350 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is 35th ST over I- 90 94 Ryan & Cta?

The structure is 371 ft (113.1 m) long with a longest span of 72 ft (21.9 m) and a deck 90 ft wide.

Who owns 35th ST over I- 90 94 Ryan & Cta?

It is owned by the State Highway Agency.