TR 255B over Branch of Mackinaw R
GoodMcLean County, Illinois · 4.5 MI Sse Anchor · Structure no. 057312700000000
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 65 ft
- 3 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 255B over Branch of Mackinaw R is a concrete continuous slab carrying TR 255B over Branch of Mackinaw R in McLean County, Illinois. It was built in 1973, so it is 52 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 4% of them trucks, projected to reach 51 by 2046. The structure is 65 ft (19.8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 255B over Branch of Mackinaw R built?
It was built in 1973, making it 52 years old in 2025.
What condition is TR 255B over Branch of Mackinaw R 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 255B over Branch of Mackinaw R carry?
About 50 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is TR 255B over Branch of Mackinaw R?
The structure is 65 ft (19.8 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.
Who owns TR 255B over Branch of Mackinaw R?
It is owned by the Town or Township Highway Agency.