Prairie Center Roa over Br of Rock Creek
PoorWhiteside County, Illinois · 0.4 M W of Morrison · Structure no. 098575800000000
- Built
- 1981
- 44 years old
- Condition
- Poor
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 1,000
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Prairie Center Roa over Br of Rock Creek is a prestressed concrete box beam or girders - multiple carrying Prairie Center Roa over Br of Rock Creek in Whiteside County, Illinois. It was built in 1981, so it is 44 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 1,000 vehicles a day, roughly 7% of them trucks, projected to reach 1,010 by 2046. The structure is 34 ft (10.5 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Prairie Center Roa over Br of Rock Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is Prairie Center Roa over Br of Rock 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 October 2023.
How much traffic does Prairie Center Roa over Br of Rock Creek carry?
About 1,000 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is Prairie Center Roa over Br of Rock Creek?
The structure is 34 ft (10.5 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.
Who owns Prairie Center Roa over Br of Rock Creek?
It is owned by the Town or Township Highway Agency.