1 Hamner Avenue Bridge Project Introduction Project Overview - PowerPoint PPT Presentation

Hamner Avenue at Santa Ana River Bridge Replacement Project  1

Hamner Avenue Bridge Project   Introduction  Project Overview  Project Update  Q & A 2

Existing Hamner Avenue Bridge   Existing bridge is 36 feet wide  One lane in each direction plus a narrow sidewalk  29,000 vehicles daily  2045 Projection - 40,000 vehicles 3

Existing Hamner Avenue Bridge   Bridge is 80 Years Old  Structurally Deficient 4

Existing Hamner Avenue Bridge December 2010 Storms  5

Hamner Avenue Bridge Replacement Improvements  6

Hamner Avenue Bridge Replacement Funding Sources   Funding Sources  HBP Funds: 88.53%  Local Matching Funds: 11.47%  SB 132  TUMF 7

New Plan & profile  8

New Cross Section  9

Stage-1  10

Stage-1 Cross Section  11

Stage -2  12

Stage-2 Cross section  13

Hamner Avenue at Santa Ana River Bridge Replacement Project  Existing Bridge Proposed Bridge  Length = 676 ft  Length = 1200 ft  Width = 36 ft  Width = 101 ft  2 Lanes  6 Lanes  State of the Art  Structural Design  Seismic Design  Hydraulic Design  Multi-Purpose Trail P14

Proposed Hamner Avenue Bridge  15

Multi-Purpose Trail  16

View From River  17

Hamner Avenue Roadway  18

Retaining Walls  19

Construction Challenges   Maintain Traffic During Construction  Minimize Impacts  Environmental  Right of Way (No Permanent Takes)  Utilities (No Impacts on Transmission Lines) SB 132 Funding  Construction Deadline by June 2023  Coordination with Roadway Widening Project  20

Project Update  Environmental Clearance (Completed)  Environmental Permits (Completed)   Temporary Construction Easements (Almost Completed)  Utility Coordination (Completed)  Project Plans (May 2020) Anticipated Start of Construction (January 2021)  21

Hamner Avenue Bridge Replacement Schedule  Construction Ends Environmental Construction Documentation Begins 2017 2018 2019 2020 2021 2022 2023 Final Plans 22

Hamner Avenue Bridge RFP Requirements  • Inquiries – County of Riverside Transportation Department Attention: Hector Davila, Construction Project Manager Email: hedavila@rivco.org • RFP Key Dates – Mandatory Pre-Proposal meeting (02/19/20) Written Questions from Firms Due (02/26/20) – – Latest Date for Addenda (03/04/20) – Closing Date for RFP (03/23/20) – Notification of Short List Selection (04/08/20) Interviews (04/17/20) – – DBE goal is 17% 23

Hamner Avenue Bridge Replacement  Q&A 24