311 TH AVE SE over Shinglebolt Slough
Fair Condition64 years old1,321 vehicles/day
Location
| State | Washington |
| County | Snohomish |
| Location | 0.2 S Jct. SR 2 |
| Carries | 311 TH AVE SE |
| Crosses | Shinglebolt Slough |
| Coordinates | 47.85836, -121.81499 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 140.1 ft (42.7 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 405.6 sq m |
| Main Spans | 1 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 1,321 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 080372000000000 |