Il 23 & 71 (nb) over Ill Mich Canal
GoodLaSalle County, Illinois · 0.2 MI S US 6 · Structure no. 050023500000000
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected May 2024
- Type
- Frame
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 10,800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 23 & 71 (nb) over Ill Mich Canal is a concrete frame carrying Il 23 & 71 (nb) over Ill Mich Canal in LaSalle County, Illinois. It was built in 1999, so it is 26 years old, younger 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 10,800 vehicles a day, roughly 4% of them trucks, projected to reach 11,009 by 2046. The structure is 22 ft (6.6 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 23 & 71 (nb) over Ill Mich Canal built?
It was built in 1999, making it 26 years old in 2025.
What condition is Il 23 & 71 (nb) over Ill Mich Canal 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 May 2024.
How much traffic does Il 23 & 71 (nb) over Ill Mich Canal carry?
About 10,800 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Il 23 & 71 (nb) over Ill Mich Canal?
The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 59 ft wide.
Who owns Il 23 & 71 (nb) over Ill Mich Canal?
It is owned by the State Highway Agency.