US Bridges

Cedar Ave over Ravine

Good

Lake County, Illinois · 1.6 M N Lake Cook RD · Structure no. 049657000000000

Built
1957
68 years old, rebuilt 2006
Condition
Good
inspected September 2022
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
275
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cedar Ave over Ravine is a concrete continuous slab carrying Cedar Ave over Ravine in Lake County, Illinois. It was built in 1957 and reconstructed in 2006, so it is 68 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 275 vehicles a day, roughly 9% of them trucks, projected to reach 303 by 2046. The structure is 125 ft (38.1 m) long and 33 ft wide.

CarriesCedar Ave
CrossesRavine
Location1.6 M N Lake Cook RD
RouteCity Street 0
Coordinates42.172, -87.7838
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length125 ft (38.1 m)
Longest span41 ft (12.5 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic303 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cedar Ave over Ravine built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2006.

What condition is Cedar Ave over Ravine in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does Cedar Ave over Ravine carry?

About 275 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Cedar Ave over Ravine?

The structure is 125 ft (38.1 m) long with a longest span of 41 ft (12.5 m) and a deck 33 ft wide.

Who owns Cedar Ave over Ravine?

It is owned by the City or Municipal Highway Agency.