TR 550ICOBBLEFIELD over Copper Slough
PoorChampaign County, Illinois · 4 MI SW of Champaign · Structure no. 010438800000000
- Built
- 1990
- 35 years old
- Condition
- Poor
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 64 ft
- 1 main span
- Daily traffic
- 900
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 550ICOBBLEFIELD over Copper Slough is a prestressed concrete box beam or girders - multiple carrying TR 550ICOBBLEFIELD over Copper Slough in Champaign County, Illinois. It was built in 1990, so it is 35 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 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 900 vehicles a day, roughly 2% of them trucks, projected to reach 606 by 2046. The structure is 64 ft (19.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 550ICOBBLEFIELD over Copper Slough built?
It was built in 1990, making it 35 years old in 2025.
What condition is TR 550ICOBBLEFIELD over Copper Slough 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 2024.
How much traffic does TR 550ICOBBLEFIELD over Copper Slough carry?
About 900 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is TR 550ICOBBLEFIELD over Copper Slough?
The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.7 m) and a deck 39 ft wide.
Who owns TR 550ICOBBLEFIELD over Copper Slough?
It is owned by the Town or Township Highway Agency.