US Bridges

83rd ST over I- 94 Ryan & Cta

Fair

Cook County, Illinois · 1.5 M N US 12 · Structure no. 016114300000000

Built
1959
66 years old, rebuilt 2002
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
3 main spans
Daily traffic
20,600
2022 count
Owner
State
State Highway Agency

About this bridge

83rd ST over I- 94 Ryan & Cta is a steel continuous stringer/multi-beam or girder carrying 83rd ST over I- 94 Ryan & Cta in Cook County, Illinois. It was built in 1959 and reconstructed in 2002, so it is 66 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 20,600 vehicles a day, roughly 4% of them trucks, projected to reach 15,554 by 2046. The structure is 193 ft (58.9 m) long and 95 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries83rd ST
CrossesI- 94 Ryan & Cta
Location1.5 M N US 12
Coordinates41.74361, -87.62602
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 rating96.5 US tons
Inventory rating57.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length193 ft (58.9 m)
Longest span75 ft (22.9 m)
Deck width95 ft (29 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,600 (2022)
Projected traffic15,554 by 2046
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 83rd ST over I- 94 Ryan & Cta built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2002.

What condition is 83rd ST over I- 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 April 2023.

How much traffic does 83rd ST over I- 94 Ryan & Cta carry?

About 20,600 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is 83rd ST over I- 94 Ryan & Cta?

The structure is 193 ft (58.9 m) long with a longest span of 75 ft (22.9 m) and a deck 95 ft wide.

Who owns 83rd ST over I- 94 Ryan & Cta?

It is owned by the State Highway Agency.