171st ST over Midlothian Creek
FairCook County, Illinois · 0.2 M W Oak Park P3 · Structure no. 016308500000000
- Built
- 1900
- 125 years old, rebuilt 1989
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 28 ft
- 2 main spans
- Daily traffic
- 5,250
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
171st ST over Midlothian Creek is a concrete culvert carrying 171st ST over Midlothian Creek in Cook County, Illinois. It was built in 1900 and reconstructed in 1989, so it is 125 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 5,250 vehicles a day, roughly 6% of them trucks, projected to reach 5,959 by 2046. The structure is 28 ft (8.4 m) long.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 171st ST over Midlothian Creek built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1989.
What condition is 171st ST over Midlothian Creek 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 June 2024.
How much traffic does 171st ST over Midlothian Creek carry?
About 5,250 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is 171st ST over Midlothian Creek?
The structure is 28 ft (8.4 m) long with a longest span of 16 ft (4.9 m).
Who owns 171st ST over Midlothian Creek?
It is owned by the City or Municipal Highway Agency.