Mountain Loop HWY over S.f. Stillaguamish River
Fair Condition92 years old6,285 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | 1.8 NE Jct SR 92 |
| Carries | Mountain Loop HWY |
| Crosses | S.f. Stillaguamish River |
| Coordinates | 48.10253, -121.95358 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Steel |
| Design | Arch - Deck |
| Total Length | 339.9 ft (103.6 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 901.3 sq m |
| Main Spans | 1 |
| Year Built | 1934 |
Traffic
| Avg Daily Traffic | 6,285 (2021) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 080625000000000 |