US 20 over Poplar Creek
PoorCook County, Illinois · 0.26 M E Kane CO · Structure no. 016021700000000
- Built
- 1959
- 66 years old, rebuilt 2025
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 44,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 over Poplar Creek is a steel continuous stringer/multi-beam or girder carrying US 20 over Poplar Creek in Cook County, Illinois. It was built in 1959 and reconstructed in 2025, 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 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 44,100 vehicles a day, roughly 7% of them trucks, projected to reach 44,137 by 2046. The structure is 119 ft (36.3 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 over Poplar Creek built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2025.
What condition is US 20 over Poplar Creek 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 US 20 over Poplar Creek carry?
About 44,100 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US 20 over Poplar Creek?
The structure is 119 ft (36.3 m) long with a longest span of 42 ft (12.9 m) and a deck 75 ft wide.
Who owns US 20 over Poplar Creek?
It is owned by the State Highway Agency.