Title: Toll Bridge Seismic Retrofit Program
1Toll Bridge Seismic Retrofit Program
ABAG General Assembly April 20, 2006
2Bay Area State-Owned Toll Bridges
- San Francisco Bay Area has seven state-owned toll
bridges - San Francisco-Oakland Bay
- San Mateo-Hayward
- Dumbarton
- Richmond-San Rafael
- Carquinez
- Benicia-Martinez
- Antioch
Golden Gate Bridge owned and operated by the
Golden Gate Bridge, Highway and Transportation
District (GGBHTD)
3Bay Area State-Owned Toll Bridges
4Loma Prieta Earthquake - October 17, 1989
- Loma Prieta Earthquake
- 7.1 magnitude earthquake
- 60 miles away
- San Francisco-Oakland Bay Bridge closed for one
month due to partial collapse
5Toll Bridge Seismic Retrofit Program
- Toll Bridges Seismic Retrofit Program
- Identified five toll bridges in the Bay Area for
seismic retrofit/replacement - San Francisco-Oakland Bay
- San Mateo-Hayward
- Richmond-San Rafael
- Carquinez
- Benicia-Martinez
- Three different retrofit standards
- Lifeline, Intermediate, and Non-collapse
6Legislative Response
- 1997 SB 60 (Kopp)
- Established Toll Bridge Seismic Retrofit Program
(SRP) - Identified the five Bay Area State-owned toll
bridges as seismically deficient and in need of
retrofit or replacement - Established program budget of 2.6 billion
- 2001 AB 1171 (Dutra)
- Increased program budget to 5.1 billion
- 2005 AB 144 (Hancock)
- Established Toll Bridge Program Oversight
Committee - Increased program budget to 8.7 billion,
including a 900 million uncommitted contingency
7SRP Program Funding Split
8January 1, 2007 Toll Increase
- Current Toll Structure
- Regional Measure 1 (1989) 1
- Seismic Surcharge (1998) 1
- Regional Measure 2 (2004) 1
- Current Auto Toll 3
- As of January 1, 2007
- Seismic Surcharge Increase 1
- Total Auto Toll 4
9Accountability
- Accountable Project Delivery
- AB 144 established the Toll Bridge Program
Oversight Committee, composed of Director of the
California Department of Transportation
(Caltrans), and the Executive Directors of the
California Transportation Commission (CTC) and
the Bay Area Toll Authority (BATA), to be
accountable for delivering the SRP.
10Toll Bridge Program Oversight Committee
- TBPOC Responsibilities
- Identify and resolve project issues
- Review and recommend budget and fund allocation
adjustments to BATA - Evaluate and approve change orders and claims
greater than 1.0 million - Publish monthly and quarterly reports
- Review project staffing levels and structures
11TBPOC Success Stories
- TBPOC Success Stories
- 89 million project savings on the Richmond-San
Rafael Bridge retrofit - Multiple bids on East Span SAS contract
- Transparent project scope, schedule, and cost
information
12Current Toll Bridge SRP Status
13San Francisco-Oakland Bay Bridge (SFOBB) Seismic
Retrofit Strategy
(In Progress) 2009
(In Progress) 2013
(Completed) 2004
14SFOBB West Approach Seismic Safety Replacement
Project
West Anchorage
Fremont St
Fifth St
15SFOBB West Approach Seismic Safety Replacement
Project Critical Areas
16SFOBB East Span Seismic Safety Replacement Project
SFOBB East Span
(18 Contracts)
17Skyway Precast Segment Lift
18Skyway Seismic Hinge Pipe Beam Installation
19Skyway Steel Transition Span Lifted
20Self Anchored Suspension Span (SAS)
21Regional Measure 1 Toll Bridge Program
22Widened San Mateo-Hayward Bridge (2002)
23New Al Zampa (Carquinez) Bridge (2003)
24New Benicia-Martinez Bridge (2007)
25Bay Areas Seismic Safety Investments
26Website Information
- This presentation can be found at
- www.mtc.ca.gov
- Additional bridge and project information can be
found at - www.baybridgeinfo.org