TR 155 over Mackinaw River
GoodMcLean County, Illinois · 3.5 MI W Colfax · Structure no. 057481400000000
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 59 ft
- 3 main spans
- Daily traffic
- 25
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 155 over Mackinaw River is a concrete continuous slab carrying TR 155 over Mackinaw River in McLean County, Illinois. It was built in 2010, so it is 15 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 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2046. The structure is 59 ft (18.1 m) long and 28 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 | 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 TR 155 over Mackinaw River built?
It was built in 2010, making it 15 years old in 2025.
What condition is TR 155 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 155 over Mackinaw River carry?
About 25 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is TR 155 over Mackinaw River?
The structure is 59 ft (18.1 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.
Who owns TR 155 over Mackinaw River?
It is owned by the Town or Township Highway Agency.