US 6 Ml over City Streets UP RR
FairLogan County, Colorado · In Sterling · Structure no. B-24-AQ
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 1,509 ft
- 12 main spans
- Daily traffic
- 9,900
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 6 Ml over City Streets UP RR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 6 Ml over City Streets UP RR in Logan County, Colorado. It was built in 1972, so it is 53 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 9,900 vehicles a day, roughly 16% of them trucks, projected to reach 13,761 by 2040. The structure is 1,509 ft (459.9 m) long and 65 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 6 Ml over City Streets UP RR built?
It was built in 1972, making it 53 years old in 2025.
What condition is US 6 Ml over City Streets UP RR 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 July 2023.
How much traffic does US 6 Ml over City Streets UP RR carry?
About 9,900 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is US 6 Ml over City Streets UP RR?
The structure is 1,509 ft (459.9 m) long with a longest span of 122 ft (37.2 m) and a deck 65 ft wide.
Who owns US 6 Ml over City Streets UP RR?
It is owned by the State Highway Agency.