TR 21 over Canavan Slough
FairKankakee County, Illinois · 2 MI SW Whitaker · Structure no. 046343300000000
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 25
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 21 over Canavan Slough is a prestressed concrete box beam or girders - multiple carrying TR 21 over Canavan Slough in Kankakee 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 25 vehicles a day, projected to reach 26 by 2046. The structure is 51 ft (15.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 21 over Canavan Slough built?
It was built in 1982, making it 43 years old in 2025.
What condition is TR 21 over Canavan Slough in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does TR 21 over Canavan Slough carry?
About 25 vehicles per day (2021 count).
How long is TR 21 over Canavan Slough?
The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.
Who owns TR 21 over Canavan Slough?
It is owned by the Town or Township Highway Agency.