Photos
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Mattole Road Bridge Photo taken by Walt Frazer in June 2008 |
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Mattole Road Bridge Photo taken by Walt Frazer in June 2008 |
Facts
- Overview
- Deck truss bridge over Mattole River on Mattole Road
- Location
- Humboldt County, California
- Status
- Open to traffic
- History
- Built 1958
- Design
- Deck truss
- Dimensions
-
Length of largest span: 100.1 ft.
Total length: 380.6 ft.
Deck width: 24.0 ft.
- Approximate latitude, longitude
- +40.31389, -124.28278 (decimal degrees)
40°18'50" N, 124°16'58" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/391003/4463386 (zone/easting/northing)
- USGS topographic map
- Petrolia
- Inventory numbers
- CA 4C-78 (California bridge number)
BH 10914 (Bridgehunter.com ID) - Inspection (as of 10/2006)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 37.6 (out of 100) - Average daily traffic (as of 1995)
- 300