US Bridges

Oak Park Ave over Union Drainage Ditch

Good

Cook County, Illinois · .25 Mi. N. of I-80 · Structure no. 016284800000000

Built
2009
16 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

Oak Park Ave over Union Drainage Ditch is a concrete continuous culvert carrying Oak Park Ave over Union Drainage Ditch in Cook County, Illinois. It was built in 2009, so it is 16 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 2,700 vehicles a day, roughly 2% of them trucks, projected to reach 2,475 by 2046. The structure is 30 ft (9.1 m) long.

Location

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CarriesOak Park Ave
CrossesUnion Drainage Ditch
Location.25 Mi. N. of I-80
CountyCook County
StateIllinois
Coordinates41.55465, -87.78363
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic2,475 by 2046
Trucks2%
Lanes on structure2
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 Oak Park Ave over Union Drainage Ditch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Oak Park Ave over Union Drainage 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 March 2023.

How much traffic does Oak Park Ave over Union Drainage Ditch carry?

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

How long is Oak Park Ave over Union Drainage Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.2 m).

Who owns Oak Park Ave over Union Drainage Ditch?

It is owned by the State Highway Agency.