Irr# Co RD 522a over Allison Ditch
Good Condition27 years old36 vehicles/day
Location
| State | Colorado |
| County | La Plata |
| Location | N Of Jct Of 524 & 522 |
| Carries | Irr# Co RD 522a |
| Crosses | Allison Ditch |
| Coordinates | 37.15902, -107.57477 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 51.9 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 36 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 067052201.5041A |