TR-485 over Trib Atchison Creek
GoodJefferson County, Illinois · 0.5 MI S Bonnie · Structure no. 041500200000000
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 350
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-485 over Trib Atchison Creek is a concrete culvert carrying TR-485 over Trib Atchison Creek in Jefferson County, Illinois. It was built in 1975, so it is 50 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 350 vehicles a day, roughly 20% of them trucks, projected to reach 354 by 2046. The structure is 30 ft (9.1 m) long.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-485 over Trib Atchison Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is TR-485 over Trib Atchison Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does TR-485 over Trib Atchison Creek carry?
About 350 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is TR-485 over Trib Atchison Creek?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.5 m).
Who owns TR-485 over Trib Atchison Creek?
It is owned by the Town or Township Highway Agency.