County Line RD over Piscasaw Creek
PoorPosted for loadMcHenry County, Illinois · 2.5 MI SE of Capron · Structure no. 004301700000000
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 125 ft
- 4 main spans
- Daily traffic
- 475
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
County Line RD over Piscasaw Creek is a concrete continuous slab carrying County Line RD over Piscasaw Creek in McHenry County, Illinois. It was built in 1959, 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. Its operating status is: posted for load restriction.
It carries about 475 vehicles a day, roughly 10% of them trucks, projected to reach 494 by 2046. The structure is 125 ft (38.1 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 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 County Line RD over Piscasaw Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is County Line RD over Piscasaw 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 March 2024.
How much traffic does County Line RD over Piscasaw Creek carry?
About 475 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is County Line RD over Piscasaw Creek?
The structure is 125 ft (38.1 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.
Who owns County Line RD over Piscasaw Creek?
It is owned by the Town or Township Highway Agency.