US Bridges

Il 137 (lk Frt Frw over 24th ST

Good

Lake County, Illinois · 0.53 M N of Il 137 · Structure no. 049016300000000

Built
1989
36 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
103 ft
1 main span
Daily traffic
8,050
2023 count
Owner
State
State Highway Agency

About this bridge

Il 137 (lk Frt Frw over 24th ST is a steel continuous stringer/multi-beam or girder carrying Il 137 (lk Frt Frw over 24th ST in Lake County, Illinois. It was built in 1989, so it is 36 years old, younger 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 8,050 vehicles a day, roughly 2% of them trucks, projected to reach 14,746 by 2046. The structure is 103 ft (31.3 m) long and 93 ft wide.

CarriesIl 137 (lk Frt Frw
Crosses24th ST
Location0.53 M N of Il 137
RouteState Highway 137
Coordinates42.31561, -87.84502
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJanuary 2025
Inspection intervalevery 24 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 rating78.6 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.3 m)
Longest span100 ft (30.5 m)
Deck width93 ft (28.4 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,050 (2023)
Projected traffic14,746 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 137 (lk Frt Frw over 24th ST built?

It was built in 1989, making it 36 years old in 2025.

What condition is Il 137 (lk Frt Frw over 24th ST 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 January 2025.

How much traffic does Il 137 (lk Frt Frw over 24th ST carry?

About 8,050 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Il 137 (lk Frt Frw over 24th ST?

The structure is 103 ft (31.3 m) long with a longest span of 100 ft (30.5 m) and a deck 93 ft wide.

Who owns Il 137 (lk Frt Frw over 24th ST?

It is owned by the State Highway Agency.