US Bridges

Greenleaf to IL120 over RR - Cp

Fair

Lake County, Illinois · 0.75 M W of US 41 · Structure no. 049012900000000

Built
1977
48 years old, rebuilt 2018
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
161 ft
3 main spans
Daily traffic
4,200
2019 count
Owner
State
State Highway Agency

About this bridge

Greenleaf to IL120 over RR - Cp is a steel continuous stringer/multi-beam or girder carrying Greenleaf to IL120 over RR - Cp 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 4,200 vehicles a day, roughly 6% of them trucks, projected to reach 4,242 by 2046. The structure is 161 ft (49.2 m) long and 36 ft wide.

CarriesGreenleaf to IL120
CrossesRR - Cp
Location0.75 M W of US 41
Coordinates42.34706, -87.90576
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating61.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49.2 m)
Longest span59 ft (18 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2019)
Projected traffic4,242 by 2046
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Greenleaf to IL120 over RR - Cp built?

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

What condition is Greenleaf to IL120 over RR - Cp 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 January 2025.

How much traffic does Greenleaf to IL120 over RR - Cp carry?

About 4,200 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Greenleaf to IL120 over RR - Cp?

The structure is 161 ft (49.2 m) long with a longest span of 59 ft (18 m) and a deck 36 ft wide.

Who owns Greenleaf to IL120 over RR - Cp?

It is owned by the State Highway Agency.