US Bridges

Ridgeland Ave over I- 80

Fair

Cook County, Illinois · 1.7 M W I-57 · Structure no. 016071800000000

Built
1964
61 years old, rebuilt 1998
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
4 main spans
Daily traffic
5,100
2022 count
Owner
State
State Highway Agency

About this bridge

Ridgeland Ave over I- 80 is a steel continuous stringer/multi-beam or girder carrying Ridgeland Ave over I- 80 in Cook County, Illinois. It was built in 1964 and reconstructed in 1998, so it is 61 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 5,100 vehicles a day, roughly 2% of them trucks, projected to reach 4,596 by 2046. The structure is 254 ft (77.3 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRidgeland Ave
CrossesI- 80
Location1.7 M W I-57
CountyCook County
StateIllinois
Coordinates41.55373, -87.77121
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length254 ft (77.3 m)
Longest span78 ft (23.8 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic4,596 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridgeland Ave over I- 80 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1998.

What condition is Ridgeland Ave over I- 80 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 December 2023.

How much traffic does Ridgeland Ave over I- 80 carry?

About 5,100 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Ridgeland Ave over I- 80?

The structure is 254 ft (77.3 m) long with a longest span of 78 ft (23.8 m) and a deck 42 ft wide.

Who owns Ridgeland Ave over I- 80?

It is owned by the State Highway Agency.