Map 

Vicinity Map

Vicinity map

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Facts 

Overview
Wooden bridge over SIDEHILL VIADUCT #1 on Neeley Road
Location
Sonoma County, California
Status
Open to traffic
History
Built 1930
Design
Timber stringer
Dimensions
Length of largest span: 18.0 ft.
Total length: 55.1 ft.
Deck width: 22.0 ft.
Approximate latitude, longitude
+38.49278, -123.00583   (decimal degrees)
38°29'34" N, 123°00'21" W   (degrees°minutes'seconds")
Inventory numbers
CA 20C-355 (California bridge number)
BH 11625 (Bridgehunter.com ID)
Inspection (as of 03/2006)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 53.4 (out of 100)
Average daily traffic (as of 1979)
1,200