Marsh Drive Bridge Replacement Over Walnut Creek

Work generally consists of replacing the existing 10 span concrete slab bridge with a 5 span CIP/PS slab bridge. All supports utilize CIDH concrete piles. The replacement is to be done utilizing staged construction. Approach roadway, rock slope protection, temporary water diversion, and utility relocations are among other work items.
  Appendices (click to expand/collapse)
Name Size
CCC_APPENDICES_4119.zip 76.4 MB
  Specifications (click to expand/collapse)
Name Size
CCC_DBE_4119 1.2 MB
CCC_NTB_4119 303.4 KB
CCC_PC_4119 1.3 MB
CCC_SP_4119 105.1 MB
  Supplemental Information (click to expand/collapse)
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Name Size
Caltrans Standard Plans and Specifications.zip 166.0 MB
City of Concord Standard Plans (2007) 2.3 MB
Conceptual SWPPP.accdb 155.3 MB
Draft FAA Determination 415.5 KB
Drainage Report 4.2 MB
EBRPD Standard Plans 743.8 KB
Existing Marsh Drive Bridge As-Builts and Inspection Reports 13.8 MB
Foundation Report 18.8 MB
Hazardous Waste ISA 48.2 MB
Hydraulic Report 12.8 MB
Natural Environment Study 20.0 MB