SE Mud Mt RD over Boise Creek
Poor Condition70 years old947 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.1 Mi SE Of Sr-410 |
| Carries | SE Mud Mt RD |
| Crosses | Boise Creek |
| Coordinates | 47.17613, -122.01854 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 37.1 ft (11.3 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 77.7 sq m |
| Main Spans | 1 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 947 (2020) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 084644000000000 |