Ch 6 over Mackinaw River
GoodMcLean County, Illinois · 4.8 MI SW Gridley · Structure no. 057460900000000
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 225
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 6 over Mackinaw River is a concrete slab carrying Ch 6 over Mackinaw River in McLean County, Illinois. It was built in 1963, so it is 62 years old, older 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 225 vehicles a day, roughly 32% of them trucks, projected to reach 202 by 2046. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 6 over Mackinaw River built?
It was built in 1963, making it 62 years old in 2025.
What condition is Ch 6 over Mackinaw River 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 March 2024.
How much traffic does Ch 6 over Mackinaw River carry?
About 225 vehicles per day (2024 count), of which roughly 32% are trucks.
How long is Ch 6 over Mackinaw River?
The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.5 m) and a deck 28 ft wide.
Who owns Ch 6 over Mackinaw River?
It is owned by the County Highway Agency.