Oil Valley School over Johnson Creek
PoorCarroll County, Illinois · 2 MI SE Mt Carroll · Structure no. 008362100000000
- Built
- 1986
- 39 years old
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 200
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Oil Valley School over Johnson Creek is a prestressed concrete box beam or girders - multiple carrying Oil Valley School over Johnson Creek in Carroll 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 3 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 200 vehicles a day, roughly 33% of them trucks, projected to reach 202 by 2046. The structure is 46 ft (14.1 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oil Valley School over Johnson Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is Oil Valley School over Johnson 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 May 2024.
How much traffic does Oil Valley School over Johnson Creek carry?
About 200 vehicles per day (2021 count), of which roughly 33% are trucks.
How long is Oil Valley School over Johnson Creek?
The structure is 46 ft (14.1 m) long with a longest span of 44 ft (13.3 m) and a deck 24 ft wide.
Who owns Oil Valley School over Johnson Creek?
It is owned by the County Highway Agency.