Facts
- Overview
- Concrete arch bridge over Maacama Creek on Chalk Hill Road
- Location
- Sonoma County, California
- Status
- Open to traffic
- History
- Built 1915
- Design
- Arch
- Dimensions
-
Length of largest span: 109.9 ft.
Total length: 170.0 ft.
Deck width: 16.1 ft.
- Recognition
- Eligible for the National Register of Historic Places
- Approximate latitude, longitude
- +38.62194, -122.77389 (decimal degrees)
38°37'19" N, 122°46'26" W (degrees°minutes'seconds") - Inventory numbers
- CA 20C-242 (California bridge number)
BH 11605 (Bridgehunter.com ID) - Inspection (as of 07/2005)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 43.5 (out of 100) - Average daily traffic (as of 1978)
- 300