US Bridges

Il 137 over RR - UP & Old Skokie

Fair

Lake County, Illinois · 0.1 M E of I-94 · Structure no. 049006500000000

Built
1958
67 years old, rebuilt 1996
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
29,900
2023 count
Owner
State
State Highway Agency

About this bridge

Il 137 over RR - UP & Old Skokie is a prestressed concrete stringer/multi-beam or girder carrying Il 137 over RR - UP & Old Skokie in Lake County, Illinois. It was built in 1958 and reconstructed in 1996, so it is 67 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 29,900 vehicles a day, roughly 9% of them trucks, projected to reach 13,888 by 2046. The structure is 173 ft (52.6 m) long and 96 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIl 137
CrossesRR - UP & Old Skokie
Location0.1 M E of I-94
RouteState Highway 137
Coordinates42.31129, -87.90177
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating81.5 US tons
Inventory rating54.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.6 m)
Longest span59 ft (18 m)
Deck width96 ft (29.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,900 (2023)
Projected traffic13,888 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 137 over RR - UP & Old Skokie built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1996.

What condition is Il 137 over RR - UP & Old Skokie 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 June 2024.

How much traffic does Il 137 over RR - UP & Old Skokie carry?

About 29,900 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Il 137 over RR - UP & Old Skokie?

The structure is 173 ft (52.6 m) long with a longest span of 59 ft (18 m) and a deck 96 ft wide.

Who owns Il 137 over RR - UP & Old Skokie?

It is owned by the State Highway Agency.