Squaw Prairie RD over Piscasaw Creek
FairBoone County, Illinois · 2.0 MI NE Belvidere · Structure no. 004307100000000
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 1,350
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Squaw Prairie RD over Piscasaw Creek is a prestressed concrete box beam or girders - multiple carrying Squaw Prairie RD over Piscasaw Creek in Boone County, Illinois. It was built in 1978, so it is 47 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 1,350 vehicles a day, roughly 8% of them trucks, projected to reach 1,352 by 2046. The structure is 145 ft (44.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Squaw Prairie RD over Piscasaw Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Squaw Prairie RD 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 March 2024.
How much traffic does Squaw Prairie RD over Piscasaw Creek carry?
About 1,350 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Squaw Prairie RD over Piscasaw Creek?
The structure is 145 ft (44.3 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.
Who owns Squaw Prairie RD over Piscasaw Creek?
It is owned by the Town or Township Highway Agency.