Ill 146 over Cypress Creek
PoorUnion County, Illinois · 1 MI W Is 57 · Structure no. 091200400000000
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 4,650
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 146 over Cypress Creek is a concrete continuous culvert carrying Ill 146 over Cypress Creek in Union County, Illinois. It was built in 1931, so it is 94 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.
It carries about 4,650 vehicles a day, roughly 20% of them trucks, projected to reach 4,848 by 2046. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 18 mi (29 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 146 over Cypress Creek built?
It was built in 1931, making it 94 years old in 2025.
What condition is Ill 146 over Cypress 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 January 2025.
How much traffic does Ill 146 over Cypress Creek carry?
About 4,650 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is Ill 146 over Cypress Creek?
The structure is 34 ft (10.3 m) long with a longest span of 11 ft (3.4 m).
Who owns Ill 146 over Cypress Creek?
It is owned by the State Highway Agency.