Il 43 (harlem Ave over I- 55 Stevenson
PoorCook County, Illinois · 0.47 MI N of Archer · Structure no. 016031600000000
- Built
- 1964
- 61 years old, rebuilt 1990
- Condition
- Poor
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 251 ft
- 4 main spans
- Daily traffic
- 35,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 43 (harlem Ave over I- 55 Stevenson is a steel continuous stringer/multi-beam or girder carrying Il 43 (harlem Ave over I- 55 Stevenson in Cook County, Illinois. It was built in 1964 and reconstructed in 1990, so it is 61 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 2 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. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 35,500 vehicles a day, roughly 5% of them trucks, projected to reach 36,158 by 2046. The structure is 251 ft (76.5 m) long and 150 ft wide.
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 43 (harlem Ave over I- 55 Stevenson built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1990.
What condition is Il 43 (harlem Ave over I- 55 Stevenson 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 March 2024.
How much traffic does Il 43 (harlem Ave over I- 55 Stevenson carry?
About 35,500 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Il 43 (harlem Ave over I- 55 Stevenson?
The structure is 251 ft (76.5 m) long with a longest span of 84 ft (25.6 m) and a deck 150 ft wide.
Who owns Il 43 (harlem Ave over I- 55 Stevenson?
It is owned by the State Highway Agency.