SH 71 Ml over Bob Creek Canal
FairCrowley County, Colorado · 3.3 MI N of JCT SH 96 E · Structure no. K-22-F
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 48 ft
- 1 main span
- Daily traffic
- 570
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 71 Ml over Bob Creek Canal is a steel stringer/multi-beam or girder carrying SH 71 Ml over Bob Creek Canal in Crowley County, Colorado. It was built in 1955, so it is 70 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 5 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 570 vehicles a day, roughly 23% of them trucks, projected to reach 758 by 2040. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 71 Ml over Bob Creek Canal built?
It was built in 1955, making it 70 years old in 2025.
What condition is SH 71 Ml over Bob Creek Canal 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 January 2024.
How much traffic does SH 71 Ml over Bob Creek Canal carry?
About 570 vehicles per day (2020 count), of which roughly 23% are trucks.
How long is SH 71 Ml over Bob Creek Canal?
The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.
Who owns SH 71 Ml over Bob Creek Canal?
It is owned by the State Highway Agency.