Steamboat Sl Road over Brooks Slough
Fair Condition67 years old187 vehicles/day
Location
| State | Washington |
| County | Wahkiakum |
| Location | 0.1 S Jct SR 4 |
| Carries | Steamboat Sl Road |
| Crosses | Brooks Slough |
| Coordinates | 46.26908, -123.45461 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 137.1 ft (41.8 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 330.2 sq m |
| Main Spans | 3 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 187 (2014) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 082249000000000 |