US Bridges

Ridgeland Ave over Stony CR

Fair

Cook County, Illinois · .14M S of Sowest HWY · Structure no. 016071700000000

Built
1948
77 years old, rebuilt 1983
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
16,700
2022 count
Owner
County
County Highway Agency

About this bridge

Ridgeland Ave over Stony CR is a steel stringer/multi-beam or girder carrying Ridgeland Ave over Stony CR in Cook County, Illinois. It was built in 1948 and reconstructed in 1983, so it is 77 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 5 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 16,700 vehicles a day, roughly 3% of them trucks, projected to reach 18,685 by 2046. The structure is 43 ft (13.1 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRidgeland Ave
CrossesStony CR
Location.14M S of Sowest HWY
CountyCook County
StateIllinois
Coordinates41.70759, -87.77948
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span42 ft (12.7 m)
Deck width80 ft (24.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2022)
Projected traffic18,685 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridgeland Ave over Stony CR built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1983.

What condition is Ridgeland Ave over Stony CR 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 August 2023.

How much traffic does Ridgeland Ave over Stony CR carry?

About 16,700 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Ridgeland Ave over Stony CR?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.7 m) and a deck 80 ft wide.

Who owns Ridgeland Ave over Stony CR?

It is owned by the County Highway Agency.