US Bridges

Stony Islnd to I94 over RR - NS & Woodlawn

Fair

Cook County, Illinois · E I-90 94 · Structure no. 016244000000000

Built
1970
55 years old, rebuilt 2014
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
539 ft
4 main spans
Daily traffic
39,600
2024 count
Owner
State
State Highway Agency

About this bridge

Stony Islnd to I94 over RR - NS & Woodlawn is a steel continuous stringer/multi-beam or girder carrying Stony Islnd to I94 over RR - NS & Woodlawn in Cook County, Illinois. It was built in 1970 and reconstructed in 2014, so it is 55 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 39,600 vehicles a day, roughly 15% of them trucks, projected to reach 38,200 by 2046. The structure is 539 ft (164.4 m) long and 89 ft wide.

Location

Open in Google Maps
CarriesStony Islnd to I94
CrossesRR - NS & Woodlawn
LocationE I-90 94
CountyCook County
StateIllinois
Coordinates41.71335, -87.59572
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length539 ft (164.4 m)
Longest span138 ft (42.1 m)
Deck width89 ft (27.2 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,600 (2024)
Projected traffic38,200 by 2046
Trucks15%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stony Islnd to I94 over RR - NS & Woodlawn built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2014.

What condition is Stony Islnd to I94 over RR - NS & Woodlawn 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 Stony Islnd to I94 over RR - NS & Woodlawn carry?

About 39,600 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Stony Islnd to I94 over RR - NS & Woodlawn?

The structure is 539 ft (164.4 m) long with a longest span of 138 ft (42.1 m) and a deck 89 ft wide.

Who owns Stony Islnd to I94 over RR - NS & Woodlawn?

It is owned by the State Highway Agency.