State Line Road over Piscasaw Creek
FairMcHenry County, Illinois · 3.2 MI W of US 14 · Structure no. 056312100000000
- Built
- 1967
- 58 years old, rebuilt 1996
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 64 ft
- 2 main spans
- Daily traffic
- 850
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
State Line Road over Piscasaw Creek is a prestressed concrete box beam or girders - multiple carrying State Line Road over Piscasaw Creek in McHenry County, Illinois. It was built in 1967 and reconstructed in 1996, so it is 58 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 5 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 850 vehicles a day, roughly 8% of them trucks, projected to reach 1,020 by 2046. The structure is 64 ft (19.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).
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 |
|---|---|---|
| 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Line Road over Piscasaw Creek built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1996.
What condition is State Line Road over Piscasaw 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 September 2024.
How much traffic does State Line Road over Piscasaw Creek carry?
About 850 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is State Line Road over Piscasaw Creek?
The structure is 64 ft (19.6 m) long with a longest span of 30 ft (9.2 m) and a deck 28 ft wide.
Who owns State Line Road over Piscasaw Creek?
It is owned by the Town or Township Highway Agency.