US Bridges

Il 43 (harlem Ave over Drainage Dtch

Fair

Cook County, Illinois · 1.0 M S of I-80 · Structure no. 016243100000000

Built
1959
66 years old, rebuilt 1967
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
29,400
2023 count
Owner
State
State Highway Agency

About this bridge

Il 43 (harlem Ave over Drainage Dtch is a concrete continuous culvert carrying Il 43 (harlem Ave over Drainage Dtch in Cook County, Illinois. It was built in 1959 and reconstructed in 1967, so it is 66 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 29,400 vehicles a day, roughly 6% of them trucks, projected to reach 25,856 by 2046. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIl 43 (harlem Ave
CrossesDrainage Dtch
Location1.0 M S of I-80
RouteState Highway 43
CountyCook County
StateIllinois
Coordinates41.53915, -87.7906
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 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 traffic29,400 (2023)
Projected traffic25,856 by 2046
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
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 43 (harlem Ave over Drainage Dtch built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1967.

What condition is Il 43 (harlem Ave over Drainage Dtch 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 2024.

How much traffic does Il 43 (harlem Ave over Drainage Dtch carry?

About 29,400 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 43 (harlem Ave over Drainage Dtch?

The structure is 27 ft (8.1 m) long with a longest span of 11 ft (3.4 m).

Who owns Il 43 (harlem Ave over Drainage Dtch?

It is owned by the State Highway Agency.