SH 59 Ml over Big Spring Creek
GoodCheyenne County, Colorado · 7.3 MI North of JCT US 40 · Structure no. I-25-O
- Built
- 1966
- 59 years old, rebuilt 1978
- Condition
- Good
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 68 ft
- 3 main spans
- Daily traffic
- 460
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 59 Ml over Big Spring Creek is a concrete continuous slab carrying SH 59 Ml over Big Spring Creek in Cheyenne County, Colorado. It was built in 1966 and reconstructed in 1978, so it is 59 years old, older 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 460 vehicles a day, roughly 34% of them trucks, projected to reach 584 by 2040. The structure is 68 ft (20.7 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 59 Ml over Big Spring Creek built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1978.
What condition is SH 59 Ml over Big Spring Creek 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 February 2025.
How much traffic does SH 59 Ml over Big Spring Creek carry?
About 460 vehicles per day (2020 count), of which roughly 34% are trucks.
How long is SH 59 Ml over Big Spring Creek?
The structure is 68 ft (20.7 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.
Who owns SH 59 Ml over Big Spring Creek?
It is owned by the State Highway Agency.