Facts
- Overview
- Through truss bridge over Mad River on US 101 in McKinleyville
- Location
- Humboldt County, California
- Status
- Open to traffic
- History
- Built 1929; rehabilitated 1959
- Design
- Through truss
- Dimensions
-
Length of largest span: 149.9 ft.
Total length: 740.2 ft.
Deck width: 24.6 ft.
Vertical clearance above deck: 14.8 ft.
- Approximate latitude, longitude
- +40.91667, -124.09278 (decimal degrees)
40°55'00" N, 124°05'34" W (degrees°minutes'seconds") - Inventory numbers
- CA 4-25R (California bridge number)
BH 10911 (Bridgehunter.com ID) - Inspection (as of 09/2005)
- Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 49.8 (out of 100) - Average daily traffic (as of 1997)
- 6,450