Norfolk County is hosted a Public Information Centre (PIC) on this project to provide additional details on the design and construction approach in advance of work starting. View the responses to the questions asked during this process.

Location

Long Point Causeway Bridge

Map

Scope

Replacement of the existing Long Point Bridge with a new multi-span bridge to the west. The bridge will be implemented over two stages in order to maintain a minimum of one lane of vehicular traffic during construction.

Anticipated Schedule

Tentative Start Date – August 2020, pending contract award by Council.
Estimated Completion – June 2021 Duration – Approx. 11 months

Project History

A Municipal Class EA was completed in May 2019 for the Rehabilitation of the Long Point Causeway and Replacement of the Long Point Causeway Bridge over Big Creek

Subsequently, the detail design and permitting process for the project began. Due to permitting constraints and direction from County Council, the bridge work was separated from the road work so that bridge replacement could proceed.

Design

The proposed new bridge is a three-span, pre-cast hollow core concrete girder bridge that includes:

      • 2 x 3.5 m driving lanes
      • 2 x 1.8 m paved shoulders
      • Reinforced concrete parapet walls with bicycle railings
      • Active transportation users accommodated through a paved shoulder
      • Utility ducts and hangers on the bridge to convey future utilities
      • Wildlife passage under the bridge
      • Final bridge maintains navigation opening along Big Creek, but navigation will be temporarily impacted for short duration during construction
      • Design of the bridge preserves aspects of its cultural significance by including some aesthetic features to replicate the appearance of the existing bridge and keep in character with the area
      • Raised road profile by approximately 0.5 m to provide improved flood protection

 

Proposed Construction Staging Plan

The bridge replacement will be implemented using a staged construction approach (two stages) in order to maintain vehicular traffic during construction. Active transportation users can utilize a small shoulder during lane reductions.

Stage 1
    • Construction of the west portion of the new bridge adjacent to the west side of the existing bridge.
    • Two lanes of vehicular traffic are maintained on the existing bridge.
Stage 2
    • Demolition of the existing structure and construction of the east portion of the new bridge.
    • Vehicular traffic will be shifted to one lane of bidirectional traffic on the new bridge structure, utilizing temporary traffic signals.

 

Environmental Mitigation Measures

Key mitigation measures to minimize environmental impacts include:
      • Appropriate mitigation measures have been identified for key Species at Risk (SAR) (particularly turtle, snake and fish species) that may be potentially impacted.
      • Fewer permanent piers within Big Creek, improving water flow and aquatic habitat.
      • Compensation including wetland vegetation replacement and creation of off-site fisheries habitat and wetland habitat.
      • Higher road elevation (raised approximately 0.5 m) to mitigate flooding.
      • General construction best management practices, including isolating the work area, erosion and sediment controls, emergency response plans, and environmental monitoring and training.

Environmental permits are being obtained for the works including, but not limited to:

      • Fisheries Act Authorization from DFO
      • Canada Wildlife Act Permit and Species at Risk Act (SARA) Permit from ECCC
      • Endangered Species Act (ESA) Permit from MECP
      • Notice of Activity Form and Mitigation Plan for Barn Swallow from MECP
      • Public Lands Act Work Permit from MNRF
      • Permit under the Development, Interference with Wetlands, and Alterations to Shorelines and Watercourses Regulation from LPRCA
      • Canadian Navigable Waters Act Approval from Transport Canada

Proposed Construction Timeline

Stage 1: August – December 2020
        • Install cofferdams and foundation piles: August –September
        • Bridge concrete work: September –November
        • Bridge waterproofing and paving: December

       

Stage 2: January –June 2021
        • Demolish existing bridge: January
        • Install cofferdams and foundation piles: January –February
        • Bridge concrete work: February –May
        • Bridge waterproofing and paving: May
        • Construct Lane tie-ins to new Long Point Road profile: May –June
Construction Completion: June 2021

Anticipated Construction Impacts

Traffic Impacts
      • Some delays expected when traffic is reduced to one lane
      • A temporary speed limit reduction to 50 km/h will be implemented for the safety of road users and construction workers
Access Impacts
      • Temporary access impacts to lanes adjacent to the bridge
      • George Lane will be closed for approximately 6 months during Stage 2 construction
      • Advance notice of temporary lane closures will be provided
Property Impacts
      • Grading at side road entrances to match new road profile.
      • No property acquisition is required
Noise Impacts
      • The contractor will be required to abide by the County’s noise by-law
      • Night work is not anticipated

Contact

If you have any further questions or comments, please contact:

norfolk logo parsons logo

Mike King, Director, Engineering, Public Works

183 Main Street of Delhi

Delhi, ON N4B 2M3

Email:Mike.King@norfolkcounty.ca

Phone: 519-582-2100 x1600

Sonia Ahluwalia, Consultant Project Manager

540 Bingemans Centre Drive, Suite 101

Kitchener, ON N2B 3X9
Email:Sonia.Ahluwalia@parsons.com

Phone: 647-962-2379

Please submit comments by July 16, 2020

Presentation

Click on images below for more details.