SH 257 Ml over Larimer County Canal
GoodWeld County, Colorado · 0.5 MI South of SH 14 · Structure no. B-17-DL
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 66 ft
- 1 main span
- Daily traffic
- 5,100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 257 Ml over Larimer County Canal is a prestressed concrete tee beam carrying SH 257 Ml over Larimer County Canal in Weld County, Colorado. It was built in 1984, so it is 41 years old, younger than the Colorado average of 42.2 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 5,100 vehicles a day, roughly 14% of them trucks, projected to reach 8,466 by 2040. The structure is 66 ft (20 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 257 Ml over Larimer County Canal built?
It was built in 1984, making it 41 years old in 2025.
What condition is SH 257 Ml over Larimer County Canal 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 September 2023.
How much traffic does SH 257 Ml over Larimer County Canal carry?
About 5,100 vehicles per day (2020 count), of which roughly 14% are trucks.
How long is SH 257 Ml over Larimer County Canal?
The structure is 66 ft (20 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.
Who owns SH 257 Ml over Larimer County Canal?
It is owned by the State Highway Agency.