Sbi 146 over Dutchman Creek
PoorPosted for loadJohnson County, Illinois · 1.5 MI E of Ill 37 · Structure no. 044001500000000
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected March 2024
- Type
- Truss - Thru
- Steel
- Length
- 103 ft
- 1 main span
- Daily traffic
- 200
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Sbi 146 over Dutchman Creek is a steel truss - thru carrying Sbi 146 over Dutchman Creek in Johnson County, Illinois. It was built in 1930, so it is 95 years old, older 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. Its operating status is: posted for load restriction.
It carries about 200 vehicles a day, roughly 25% of them trucks, projected to reach 210 by 2046. The structure is 103 ft (31.4 m) long and 22 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sbi 146 over Dutchman Creek built?
It was built in 1930, making it 95 years old in 2025.
What condition is Sbi 146 over Dutchman 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 March 2024.
How much traffic does Sbi 146 over Dutchman Creek carry?
About 200 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is Sbi 146 over Dutchman Creek?
The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 22 ft wide.
Who owns Sbi 146 over Dutchman Creek?
It is owned by the Town or Township Highway Agency.