Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc
PoorCook County, Illinois · 1.5 M W Il 43 · Structure no. 016069900000000
- Built
- 1951
- 74 years old, rebuilt 1984
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 210 ft
- 4 main spans
- Daily traffic
- 24,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc is a steel continuous stringer/multi-beam or girder carrying Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc in Cook County, Illinois. It was built in 1951 and reconstructed in 1984, so it is 74 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 24,300 vehicles a day, roughly 9% of them trucks, projected to reach 26,462 by 2046. The structure is 210 ft (63.9 m) long and 66 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1984.
What condition is Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc 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 July 2024.
How much traffic does Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc carry?
About 24,300 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc?
The structure is 210 ft (63.9 m) long with a longest span of 57 ft (17.5 m) and a deck 66 ft wide.
Who owns Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc?
It is owned by the State Highway Agency.