US Bridges

Il 120 EB over Greenleaf Ave

Fair

Lake County, Illinois · 1.1 M E of I-94 · Structure no. 049012600000000

Built
1977
48 years old, rebuilt 2018
Condition
Fair
inspected August 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
211 ft
4 main spans
Daily traffic
19,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 120 EB over Greenleaf Ave is a steel continuous stringer/multi-beam or girder carrying Il 120 EB over Greenleaf Ave in Lake County, Illinois. It was built in 1977 and reconstructed in 2018, so it is 48 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 19,300 vehicles a day, roughly 5% of them trucks, projected to reach 9,650 by 2046. The structure is 211 ft (64.2 m) long and 58 ft wide.

Location

Open in Google Maps
CarriesIl 120 EB
CrossesGreenleaf Ave
Location1.1 M E of I-94
RouteState Highway 120
CountyLake County
StateIllinois
Coordinates42.34716, -87.90172
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length211 ft (64.2 m)
Longest span67 ft (20.5 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,300 (2023)
Projected traffic9,650 by 2046
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Il 120 EB over Greenleaf Ave built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2018.

What condition is Il 120 EB over Greenleaf Ave 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 2021.

How much traffic does Il 120 EB over Greenleaf Ave carry?

About 19,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Il 120 EB over Greenleaf Ave?

The structure is 211 ft (64.2 m) long with a longest span of 67 ft (20.5 m) and a deck 58 ft wide.

Who owns Il 120 EB over Greenleaf Ave?

It is owned by the State Highway Agency.