SR 20 over Little Boulder Creek
Good Condition21 years old1,280 vehicles/day
Location
| State | Washington |
| County | Okanogan |
| Location | 18.8 E Chelan Co |
| Carries | SR 20 |
| Crosses | Little Boulder Creek |
| Coordinates | 48.57003, -120.38089 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 28.9 ft (8.8 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Area | 102.1 sq m |
| Main Spans | 1 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 1,280 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 721 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0016979A0000000 |