SH 257 Ml over Cache LA Poudre River
FairWeld County, Colorado · 2.9 MI No of JCT US 34 · Structure no. C-17-CX
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Concrete
- Length
- 288 ft
- 7 main spans
- Daily traffic
- 12,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 257 Ml over Cache LA Poudre River is a concrete tee beam carrying SH 257 Ml over Cache LA Poudre River in Weld County, Colorado. It was built in 1964, so it is 61 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 5 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 12,000 vehicles a day, roughly 6% of them trucks, projected to reach 18,840 by 2040. The structure is 288 ft (87.8 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Cache LA Poudre River built?
It was built in 1964, making it 61 years old in 2025.
What condition is SH 257 Ml over Cache LA Poudre River 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 SH 257 Ml over Cache LA Poudre River carry?
About 12,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is SH 257 Ml over Cache LA Poudre River?
The structure is 288 ft (87.8 m) long with a longest span of 41 ft (12.5 m) and a deck 34 ft wide.
Who owns SH 257 Ml over Cache LA Poudre River?
It is owned by the State Highway Agency.