W Wacker Road over Johnson Creek
PoorCarroll County, Illinois · 2 MI SW Mt Carroll · Structure no. 008361900000000
- Built
- 1982
- 43 years old
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 48 ft
- 1 main span
- Daily traffic
- 100
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
W Wacker Road over Johnson Creek is a prestressed concrete box beam or girders - multiple carrying W Wacker Road over Johnson Creek in Carroll County, Illinois. It was built in 1982, so it is 43 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 100 vehicles a day, roughly 55% of them trucks, projected to reach 101 by 2046. The structure is 48 ft (14.5 m) long and 24 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 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 7 Good | Some minor problems. |
| 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 W Wacker Road over Johnson Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is W Wacker Road 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 W Wacker Road over Johnson Creek carry?
About 100 vehicles per day (2021 count), of which roughly 55% are trucks.
How long is W Wacker Road over Johnson Creek?
The structure is 48 ft (14.5 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.
Who owns W Wacker Road over Johnson Creek?
It is owned by the Town or Township Highway Agency.