US Bridges

Linden Ave over Ravine

Fair

Lake County, Illinois · 1.9 M N Lake Cook RD · Structure no. 049656200000000

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
350
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Linden Ave over Ravine is a steel stringer/multi-beam or girder carrying Linden Ave over Ravine in Lake County, Illinois. It was built in 1976, so it is 49 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 350 vehicles a day, roughly 12% of them trucks, projected to reach 354 by 2046. The structure is 95 ft (29 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesLinden Ave
CrossesRavine
Location1.9 M N Lake Cook RD
RouteCity Street 0
CountyLake County
StateIllinois
Coordinates42.17567, -87.78727
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic354 by 2046
Trucks12%
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 Linden Ave over Ravine built?

It was built in 1976, making it 49 years old in 2025.

What condition is Linden Ave over Ravine 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 September 2024.

How much traffic does Linden Ave over Ravine carry?

About 350 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Linden Ave over Ravine?

The structure is 95 ft (29 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns Linden Ave over Ravine?

It is owned by the City or Municipal Highway Agency.