SH 9 Ml over UP RR
PoorGrand County, Colorado · S. Edge of Kremmling · Structure no. D-11-N
- Built
- 1942
- 83 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 172 ft
- 5 main spans
- Daily traffic
- 3,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 9 Ml over UP RR is a steel stringer/multi-beam or girder carrying SH 9 Ml over UP RR in Grand County, Colorado. It was built in 1942, so it is 83 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,500 vehicles a day, roughly 11% of them trucks, projected to reach 4,200 by 2040. The structure is 172 ft (52.5 m) long and 34 ft wide. If it were closed, the detour would be 64 mi (103 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 9 Ml over UP RR built?
It was built in 1942, making it 83 years old in 2025.
What condition is SH 9 Ml over UP RR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does SH 9 Ml over UP RR carry?
About 3,500 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is SH 9 Ml over UP RR?
The structure is 172 ft (52.5 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.
Who owns SH 9 Ml over UP RR?
It is owned by the State Highway Agency.