TR 123 Prairie Roa over Waupecon Creek
FairGrundy County, Illinois · .27 MI W Gonnam Road · Structure no. 032487600000000
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected October 2024
- Type
- Channel Beam
- Concrete
- Length
- 102 ft
- 3 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 123 Prairie Roa over Waupecon Creek is a concrete channel beam carrying TR 123 Prairie Roa over Waupecon Creek in Grundy 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 50 vehicles a day, roughly 40% of them trucks, projected to reach 120 by 2046. The structure is 102 ft (31.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 123 Prairie Roa over Waupecon Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is TR 123 Prairie Roa over Waupecon Creek 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 October 2024.
How much traffic does TR 123 Prairie Roa over Waupecon Creek carry?
About 50 vehicles per day (2024 count), of which roughly 40% are trucks.
How long is TR 123 Prairie Roa over Waupecon Creek?
The structure is 102 ft (31.1 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.
Who owns TR 123 Prairie Roa over Waupecon Creek?
It is owned by the Town or Township Highway Agency.