SH 257 Ml over Greeley Canal
FairWeld County, Colorado · 1.7 MI N/ SH 392/WINDSOR · Structure no. C-17-DO
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 41 ft
- 1 main span
- Daily traffic
- 7,700
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 257 Ml over Greeley Canal is a steel stringer/multi-beam or girder carrying SH 257 Ml over Greeley Canal in Weld County, Colorado. It was built in 1966, so it is 59 years old, older than the Colorado average of 42.2 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 7,700 vehicles a day, roughly 7% of them trucks, projected to reach 11,935 by 2040. The structure is 41 ft (12.6 m) long and 44 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 257 Ml over Greeley Canal built?
It was built in 1966, making it 59 years old in 2025.
What condition is SH 257 Ml over Greeley Canal 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 February 2025.
How much traffic does SH 257 Ml over Greeley Canal carry?
About 7,700 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is SH 257 Ml over Greeley Canal?
The structure is 41 ft (12.6 m) long with a longest span of 39 ft (11.8 m) and a deck 44 ft wide.
Who owns SH 257 Ml over Greeley Canal?
It is owned by the State Highway Agency.