US Bridges

Deerfield RD over RR - UP & Old Skokie

Fair

Lake County, Illinois · 0.3 M W of US 41 · Structure no. 049007300000000

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
486 ft
8 main spans
Daily traffic
21,700
2023 count
Owner
State
State Highway Agency

About this bridge

Deerfield RD over RR - UP & Old Skokie is a steel continuous stringer/multi-beam or girder carrying Deerfield RD over RR - UP & Old Skokie in Lake County, Illinois. It was built in 1962, so it is 63 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 5 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 21,700 vehicles a day, roughly 2% of them trucks, projected to reach 23,533 by 2046. The structure is 486 ft (148.1 m) long and 89 ft wide.

Location

Open in Google Maps
CarriesDeerfield RD
CrossesRR - UP & Old Skokie
Location0.3 M W of US 41
CountyLake County
StateIllinois
Coordinates42.17996, -87.82057
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.6 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length486 ft (148.1 m)
Longest span73 ft (22.3 m)
Deck width89 ft (27.1 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2023)
Projected traffic23,533 by 2046
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Deerfield RD over RR - UP & Old Skokie built?

It was built in 1962, making it 63 years old in 2025.

What condition is Deerfield RD 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 July 2023.

How much traffic does Deerfield RD over RR - UP & Old Skokie carry?

About 21,700 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Deerfield RD over RR - UP & Old Skokie?

The structure is 486 ft (148.1 m) long with a longest span of 73 ft (22.3 m) and a deck 89 ft wide.

Who owns Deerfield RD over RR - UP & Old Skokie?

It is owned by the State Highway Agency.