Rd. No. 20 over S Fork Sauk River
Fair Condition48 years old140 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | Mp 31.2 Rd. No. 20 |
| Carries | Rd. No. 20 |
| Crosses | S Fork Sauk River |
| Coordinates | 48.03280, -121.43659 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 97.1 ft (29.6 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 289.8 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 140 (1992) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 48 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 060502000001465 |