US Bridges

US 12 20 (95th St) over I- 94 Dan Ryan

Fair

Cook County, Illinois · 0.4 M N I-57 · Structure no. 016043700000000

Built
1959
66 years old, rebuilt 1998
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
3 main spans
Daily traffic
14,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 20 (95th St) over I- 94 Dan Ryan is a steel continuous stringer/multi-beam or girder carrying US 12 20 (95th St) over I- 94 Dan Ryan in Cook County, Illinois. It was built in 1959 and reconstructed in 1998, 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 14,500 vehicles a day, roughly 7% of them trucks, projected to reach 13,332 by 2046. The structure is 193 ft (58.8 m) long and 119 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 12 20 (95th St)
CrossesI- 94 Dan Ryan
Location0.4 M N I-57
RouteU.S. Route 12
Coordinates41.7217, -87.62453
Functional classUrban Other Principal 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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length193 ft (58.8 m)
Longest span76 ft (23.1 m)
Deck width119 ft (36.3 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic13,332 by 2046
Trucks7%
Lanes on structure8
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 SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$941,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 12 20 (95th St) over I- 94 Dan Ryan built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1998.

What condition is US 12 20 (95th St) over I- 94 Dan Ryan 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 November 2023.

How much traffic does US 12 20 (95th St) over I- 94 Dan Ryan carry?

About 14,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 12 20 (95th St) over I- 94 Dan Ryan?

The structure is 193 ft (58.8 m) long with a longest span of 76 ft (23.1 m) and a deck 119 ft wide.

Who owns US 12 20 (95th St) over I- 94 Dan Ryan?

It is owned by the State Highway Agency.