TR 257 over Kings Mill Creek
FairMcLean County, Illinois · 1.2 MI NW Twin Grove · Structure no. 057430600000000
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 100
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 257 over Kings Mill Creek is a concrete continuous slab carrying TR 257 over Kings Mill Creek in McLean County, Illinois. It was built in 1971, so it is 54 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 6 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 100 vehicles a day, roughly 12% of them trucks, projected to reach 101 by 2046. The structure is 78 ft (23.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 257 over Kings Mill Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is TR 257 over Kings Mill Creek 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 September 2023.
How much traffic does TR 257 over Kings Mill Creek carry?
About 100 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is TR 257 over Kings Mill Creek?
The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.
Who owns TR 257 over Kings Mill Creek?
It is owned by the Town or Township Highway Agency.