Tinkham Road over S.fk. Snoqualmie
Good Condition54 years old120 vehicles/day
Location
| State | Washington |
| County | King |
| Location | I90 East Exit 42 |
| Carries | Tinkham Road |
| Crosses | S.fk. Snoqualmie |
| Coordinates | 47.41492, -121.58706 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 181.1 ft (55.2 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 474.7 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 120 (2017) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 821 |
| Inspection Frequency | Every 48 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 060505000032683 |