County RD 20a over Cow Creek
Poor Condition70 years old857 vehicles/day
Location
| State | Oregon |
| County | Douglas |
| Location | 2.0 Mi SE Of Riddle |
| Carries | County RD 20a |
| Crosses | Cow Creek |
| Coordinates | 42.94281, -123.33666 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 416.0 ft (126.8 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 1191.9 sq m |
| Main Spans | 3 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 857 (2020) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 19C494 20A 200 |