US Bridges

Il 43 (harlem Ave over I- 80

Poor

Cook County, Illinois · 0.5 M S 183rd ST · Structure no. 016032500000000

Built
1967
58 years old, rebuilt 1996
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
4 main spans
Daily traffic
34,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 43 (harlem Ave over I- 80 is a steel continuous stringer/multi-beam or girder carrying Il 43 (harlem Ave over I- 80 in Cook County, Illinois. It was built in 1967 and reconstructed in 1996, so it is 58 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 34,200 vehicles a day, roughly 6% of them trucks, projected to reach 35,000 by 2046. The structure is 260 ft (79.3 m) long and 106 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIl 43 (harlem Ave
CrossesI- 80
Location0.5 M S 183rd ST
RouteState Highway 43
CountyCook County
StateIllinois
Coordinates41.55137, -87.79259
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length260 ft (79.3 m)
Longest span86 ft (26.2 m)
Deck width106 ft (32.3 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,200 (2023)
Projected traffic35,000 by 2046
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 43 (harlem Ave over I- 80 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1996.

What condition is Il 43 (harlem Ave over I- 80 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Il 43 (harlem Ave over I- 80 carry?

About 34,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 43 (harlem Ave over I- 80?

The structure is 260 ft (79.3 m) long with a longest span of 86 ft (26.2 m) and a deck 106 ft wide.

Who owns Il 43 (harlem Ave over I- 80?

It is owned by the State Highway Agency.