SH 59 Ml over Patent Creek
FairPhillips County, Colorado · 30.7 MI No of JCT US 34 · Structure no. C-26-D
- Built
- 1956
- 69 years old, rebuilt 1968
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Steel
- Length
- 35 ft
- 2 main spans
- Daily traffic
- 220
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 59 Ml over Patent Creek is a steel culvert carrying SH 59 Ml over Patent Creek in Phillips County, Colorado. It was built in 1956 and reconstructed in 1968, so it is 69 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 220 vehicles a day, roughly 23% of them trucks, projected to reach 273 by 2040. The structure is 35 ft (10.8 m) long and 92 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 59 Ml over Patent Creek built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1968.
What condition is SH 59 Ml over Patent Creek 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 May 2023.
How much traffic does SH 59 Ml over Patent Creek carry?
About 220 vehicles per day (2020 count), of which roughly 23% are trucks.
How long is SH 59 Ml over Patent Creek?
The structure is 35 ft (10.8 m) long with a longest span of 15 ft (4.7 m) and a deck 92 ft wide.
Who owns SH 59 Ml over Patent Creek?
It is owned by the State Highway Agency.