US Bridges

Il 176 over East Skokie Ditch

Good

Lake County, Illinois · 0.35 M E of US 41 · Structure no. 049023800000000

Built
2011
14 years old
Condition
Good
inspected July 2022
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
15,800
2023 count
Owner
State
State Highway Agency

About this bridge

Il 176 over East Skokie Ditch is a concrete frame carrying Il 176 over East Skokie Ditch in Lake County, Illinois. It was built in 2011, so it is 14 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 15,800 vehicles a day, roughly 1% of them trucks, projected to reach 15,049 by 2046. The structure is 34 ft (10.4 m) long and 51 ft wide.

CarriesIl 176
CrossesEast Skokie Ditch
Location0.35 M E of US 41
RouteState Highway 176
Coordinates42.27954, -87.86422
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,800 (2023)
Projected traffic15,049 by 2046
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 176 over East Skokie Ditch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Il 176 over East Skokie Ditch 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 July 2022.

How much traffic does Il 176 over East Skokie Ditch carry?

About 15,800 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Il 176 over East Skokie Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 51 ft wide.

Who owns Il 176 over East Skokie Ditch?

It is owned by the State Highway Agency.