SH 257 Ml over US 34 Bypass
GoodWeld County, Colorado · West of Greeley · Structure no. C-17-FO
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 241 ft
- 2 main spans
- Daily traffic
- 8,800
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 257 Ml over US 34 Bypass is a prestressed concrete continuous stringer/multi-beam or girder carrying SH 257 Ml over US 34 Bypass in Weld County, Colorado. It was built in 1999, so it is 26 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 8,800 vehicles a day, roughly 8% of them trucks, projected to reach 15,576 by 2040. The structure is 241 ft (73.4 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 257 Ml over US 34 Bypass built?
It was built in 1999, making it 26 years old in 2025.
What condition is SH 257 Ml over US 34 Bypass 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 US 34 Bypass carry?
About 8,800 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is SH 257 Ml over US 34 Bypass?
The structure is 241 ft (73.4 m) long with a longest span of 119 ft (36.4 m) and a deck 60 ft wide.
Who owns SH 257 Ml over US 34 Bypass?
It is owned by the State Highway Agency.