Hillside RD over Otter Creek
PoorWhiteside County, Illinois · 7 MI NW of Morrison · Structure no. 098585800000000
- Built
- 1986
- 39 years old
- Condition
- Poor
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 100
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Hillside RD over Otter Creek is a prestressed concrete box beam or girders - multiple carrying Hillside RD over Otter Creek in Whiteside County, Illinois. It was built in 1986, so it is 39 years old, younger 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 100 vehicles a day, roughly 41% of them trucks, projected to reach 101 by 2046. The structure is 123 ft (37.6 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Hillside RD over Otter Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is Hillside RD over Otter 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 November 2024.
How much traffic does Hillside RD over Otter Creek carry?
About 100 vehicles per day (2021 count), of which roughly 41% are trucks.
How long is Hillside RD over Otter Creek?
The structure is 123 ft (37.6 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.
Who owns Hillside RD over Otter Creek?
It is owned by the Town or Township Highway Agency.