US Bridges

71st ST over I- 94 Ryan & Cta

Fair

Cook County, Illinois · 3 M N 95th ST · Structure no. 016114600000000

Built
1958
67 years old, rebuilt 2006
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
315 ft
5 main spans
Daily traffic
14,700
2022 count
Owner
State
State Highway Agency

About this bridge

71st ST over I- 94 Ryan & Cta is a steel continuous stringer/multi-beam or girder carrying 71st ST over I- 94 Ryan & Cta in Cook County, Illinois. It was built in 1958 and reconstructed in 2006, so it is 67 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 14,700 vehicles a day, roughly 4% of them trucks, projected to reach 10,706 by 2046. The structure is 315 ft (96 m) long and 107 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries71st ST
CrossesI- 94 Ryan & Cta
Location3 M N 95th ST
Coordinates41.76552, -87.62601
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
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 rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length315 ft (96 m)
Longest span93 ft (28.2 m)
Deck width107 ft (32.6 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2022)
Projected traffic10,706 by 2046
Trucks4%
Lanes on structure7
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 71st ST over I- 94 Ryan & Cta built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2006.

What condition is 71st 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 October 2024.

How much traffic does 71st ST over I- 94 Ryan & Cta carry?

About 14,700 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is 71st ST over I- 94 Ryan & Cta?

The structure is 315 ft (96 m) long with a longest span of 93 ft (28.2 m) and a deck 107 ft wide.

Who owns 71st ST over I- 94 Ryan & Cta?

It is owned by the State Highway Agency.