TR 540 over Br Mackinaw River
FairMcLean County, Illinois · 1.2 MI S Colfax · Structure no. 057500900000000
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 59 ft
- 3 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 540 over Br Mackinaw River is a concrete continuous slab carrying TR 540 over Br Mackinaw River in McLean County, Illinois. It was built in 1966, so it is 59 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 5 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 50 vehicles a day, roughly 40% of them trucks, projected to reach 51 by 2046. The structure is 59 ft (18 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 540 over Br Mackinaw River built?
It was built in 1966, making it 59 years old in 2025.
What condition is TR 540 over Br Mackinaw River 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 October 2024.
How much traffic does TR 540 over Br Mackinaw River carry?
About 50 vehicles per day (2024 count), of which roughly 40% are trucks.
How long is TR 540 over Br Mackinaw River?
The structure is 59 ft (18 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.
Who owns TR 540 over Br Mackinaw River?
It is owned by the Town or Township Highway Agency.