US 85 Ml over UP RR
GoodWeld County, Colorado · 2.4 MI N of Nunn · Structure no. B-17-DF
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 395 ft
- 3 main spans
- Daily traffic
- 4,600
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 85 Ml over UP RR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 85 Ml over UP RR in Weld County, Colorado. It was built in 2013, so it is 12 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 4,600 vehicles a day, roughly 17% of them trucks, projected to reach 6,348 by 2040. The structure is 395 ft (120.4 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 85 Ml over UP RR built?
It was built in 2013, making it 12 years old in 2025.
What condition is US 85 Ml over UP RR 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 May 2023.
How much traffic does US 85 Ml over UP RR carry?
About 4,600 vehicles per day (2020 count), of which roughly 17% are trucks.
How long is US 85 Ml over UP RR?
The structure is 395 ft (120.4 m) long with a longest span of 154 ft (46.9 m) and a deck 43 ft wide.
Who owns US 85 Ml over UP RR?
It is owned by the State Highway Agency.