TR 540 over Mackinaw River
GoodMcLean County, Illinois · SE Edge Colfax · Structure no. 057500400000000
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected October 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 183 ft
- 4 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 540 over Mackinaw River is a concrete continuous tee beam carrying TR 540 over Mackinaw River in McLean County, Illinois. It was built in 1969, so it is 56 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 50 vehicles a day, roughly 40% of them trucks, projected to reach 51 by 2046. The structure is 183 ft (55.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 TR 540 over Mackinaw River built?
It was built in 1969, making it 56 years old in 2025.
What condition is TR 540 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 October 2024.
How much traffic does TR 540 over Mackinaw River carry?
About 50 vehicles per day (2024 count), of which roughly 40% are trucks.
How long is TR 540 over Mackinaw River?
The structure is 183 ft (55.8 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.
Who owns TR 540 over Mackinaw River?
It is owned by the Town or Township Highway Agency.