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Caltrans District 4 EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006 128 101 116 128 116 1 101.

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Presentation on theme: "Caltrans District 4 EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006 128 101 116 128 116 1 101."— Presentation transcript:

1 Caltrans District 4 EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006 128 101 116 128 116 1 101 Russian River Bridge

2 Caltrans District 4 Aerial Photo EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

3 Caltrans District 4 Purpose of the Meeting To provide information on the status of bridge replacement project Development since meeting on January 25, 2006 Decision process to replace at existing location Construction schedule Risks Questions and Answers EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

4 Caltrans District 4 Introduction Panel Members Elected Officials Other Agency Representatives EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

5 Caltrans District 4 128 101 128 High and Middle School SR 128 Russian River Bridge Dry Creek Rancheria Vicinity Map Build in 1932 – 74 years old 974-feet long 24 feet wide Two Lanes, No Shoulders Six 100 long Riveted Steel Truss Spans over the Main Channel 24 long Reinforced Concrete T-Beam Approach Spans Seven Reinforced Piers supported on 25 feet deep timber piles of unknown integrity in the sand and gravel channel EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

6 Caltrans District 4 Downstream View of the Bridge on West Bank EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

7 Caltrans District 4 Damaged Pier #6 25-ft timber piles might be dislodged or broken Shift, settlement and cracks at Pier #6 Erodible sand and gravel Bed rock EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

8 Caltrans District 4 Since January 25, 2006 Meeting Performed environmental assessment and receive resource agencies support to allow construction in water channel Secured funds to construct new bridge Obtained right of entries and easements for utilities relocation and construction Coordinated accelerated utilities relocation Completed design and contract documents Started trestle construction EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

9 Caltrans District 4 East Side EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

10 Caltrans District 4 West Side EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

11 Caltrans District 4 West Side EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

12 Caltrans District 4 Decision Process to Replace Community Input Environmental Requirement Design & Constructibility Cost and Funding EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

13 Caltrans District 4 Schedule of Replacement EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

14 Caltrans District 4 Risks Differing subsurface condition Materials availability Environmental requirements, reviews & permits Contractors bid result Weather EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

15 Caltrans District 4 QUESTIONS & ANSWERS EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

16 Caltrans District 4 Layout EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

17 Caltrans District 4 EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006 Contract Plan

18 Caltrans District 4 Elevation EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

19 Caltrans District 4 Looking West EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

20 Caltrans District 4 Perspective Looking West EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006

21 Caltrans District 4 Detour using Alexander Valley Road EMERGENCY REPLACEMENT STATE ROUTE 128 RUSSIAN RIVER BRIDGE COMMUNITY INFORMATIONAL MEETING March 9, 2006


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