US Bridges

Il 64 (north Ave) over Ditch

Fair

Cook County, Illinois · Between 20th & 21st · Structure no. 016125900000000

Built
1927
98 years old, rebuilt 1955
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
50,800
2021 count
Owner
State
State Highway Agency

About this bridge

Il 64 (north Ave) over Ditch is a concrete continuous culvert carrying Il 64 (north Ave) over Ditch in Cook County, Illinois. It was built in 1927 and reconstructed in 1955, 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 50,800 vehicles a day, roughly 7% of them trucks, projected to reach 25,654 by 2046. The structure is 33 ft (10.1 m) long.

CarriesIl 64 (north Ave)
CrossesDitch
LocationBetween 20th & 21st
RouteState Highway 64
Coordinates41.90787, -87.85865
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,800 (2021)
Projected traffic25,654 by 2046
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 64 (north Ave) over Ditch built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1955.

What condition is Il 64 (north Ave) over Ditch 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 October 2023.

How much traffic does Il 64 (north Ave) over Ditch carry?

About 50,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Il 64 (north Ave) over Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.4 m).

Who owns Il 64 (north Ave) over Ditch?

It is owned by the State Highway Agency.