Dam Access Road over Weyerhaeuser Co Haul RD
Fair Condition66 years old75 vehicles/day
Location
| State | Washington |
| County | King |
| Location | Mud Mountain Dam Wa |
| Carries | Dam Access Road |
| Crosses | Weyerhaeuser Co Haul RD |
| Coordinates | 47.15465, -121.92197 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 181.8 ft (55.4 m) |
| Max Span | 60.7 ft (18.5 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 454.3 sq m |
| Main Spans | 3 |
| Year Built | 1960 (reconstructed 1995) |
Traffic
| Avg Daily Traffic | 75 (2017) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | Corps of Engineers |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | CEPNWSWA1PBMM01 |