Ill 172 over Hennepin Canal Feedr
FairWhiteside County, Illinois · 3.2 MI W JCT Ill 40 · Structure no. 098005400000000
- Built
- 1972
- 53 years old, rebuilt 2001
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 172 over Hennepin Canal Feedr is a prestressed concrete box beam or girders - multiple carrying Ill 172 over Hennepin Canal Feedr in Whiteside County, Illinois. It was built in 1972 and reconstructed in 2001, so it is 53 years old, older 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 800 vehicles a day, roughly 9% of them trucks, projected to reach 758 by 2046. The structure is 119 ft (36.2 m) long and 36 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 172 over Hennepin Canal Feedr built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2001.
What condition is Ill 172 over Hennepin Canal Feedr 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 December 2024.
How much traffic does Ill 172 over Hennepin Canal Feedr carry?
About 800 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Ill 172 over Hennepin Canal Feedr?
The structure is 119 ft (36.2 m) long with a longest span of 42 ft (12.8 m) and a deck 36 ft wide.
Who owns Ill 172 over Hennepin Canal Feedr?
It is owned by the State Highway Agency.