Il 111 NB over Cahokia Canal
GoodMadison County, Illinois · .5MI N JCT 70 · Structure no. 060024400000000
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 369 ft
- 3 main spans
- Daily traffic
- 4,050
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 111 NB over Cahokia Canal is a steel continuous stringer/multi-beam or girder carrying Il 111 NB over Cahokia Canal in Madison County, Illinois. It was built in 2002, so it is 23 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 4,050 vehicles a day, roughly 12% of them trucks, projected to reach 2,194 by 2046. The structure is 369 ft (112.6 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 Il 111 NB over Cahokia Canal built?
It was built in 2002, making it 23 years old in 2025.
What condition is Il 111 NB over Cahokia 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 April 2023.
How much traffic does Il 111 NB over Cahokia Canal carry?
About 4,050 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Il 111 NB over Cahokia Canal?
The structure is 369 ft (112.6 m) long with a longest span of 121 ft (37 m) and a deck 39 ft wide.
Who owns Il 111 NB over Cahokia Canal?
It is owned by the State Highway Agency.