US Bridges

Deerpath Ave over Skokie River

Fair

Lake County, Illinois · 0.45 MI E of US 41 · Structure no. 049685400000000

Built
1927
98 years old, rebuilt 2003
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
84 ft
3 main spans
Daily traffic
15,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Deerpath Ave over Skokie River is a steel continuous stringer/multi-beam or girder carrying Deerpath Ave over Skokie River in Lake County, Illinois. It was built in 1927 and reconstructed in 2003, so it is 98 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 15,000 vehicles a day, roughly 4% of them trucks, projected to reach 15,958 by 2046. The structure is 84 ft (25.5 m) long and 47 ft wide.

Location

Open in Google Maps
CarriesDeerpath Ave
CrossesSkokie River
Location0.45 MI E of US 41
CountyLake County
StateIllinois
Coordinates42.24828, -87.85393
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length84 ft (25.5 m)
Longest span31 ft (9.4 m)
Deck width47 ft (14.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic15,958 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$495,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Deerpath Ave over Skokie River built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2003.

What condition is Deerpath Ave over Skokie River 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 Deerpath Ave over Skokie River carry?

About 15,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Deerpath Ave over Skokie River?

The structure is 84 ft (25.5 m) long with a longest span of 31 ft (9.4 m) and a deck 47 ft wide.

Who owns Deerpath Ave over Skokie River?

It is owned by the City or Municipal Highway Agency.