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The new design will allow cycling access and provide a pedestrian walkway. The current 18 tonne bridge weight limit will also be removed.

This project is funded by the Australian and Tasmanian governments.

1About the project

Mountain River Bridge, also known as Oates Bridge, was reportedly built in 1912. It is a single-lane, steel truss bridge that crosses Mountain River, on Lollara Main Road, in the Huon Valley.

A load limit of 18 tonnes was applied to the bridge after it was assessed in 2014. An updated report in 2020 confirmed that the bridge is unsuitable for modern heavy vehicles, and recommended that it be replaced.

2Timing

To ensure that the existing bridge remains serviceable until construction of the new bridge is completed, the speed limit will be reduced from mid August 2021 until the bridge replacement is completed.

The project is expected to be available for tender in November 2021.

Construction will start in mid-2022, weather permitting.

4Project benefits

  • The new bridge design will meet modern construction and safety standards.
  • Removal of the 18-tonne weight limit will allow for safe heavy vehicle traffic access.
  • The new bridge design will include a walkway and improved access for cyclists.
  • Two lanes on the bridge will reduce any travel delays.
  • Ongoing maintenance costs will be reduced.

5Replacement bridge design

After considering feedback from the local community, we have modified the design by widening the road shoulder on the left lane heading west on the Lollara Road, to allow vehicles to pass on the left hand side at a lower speed (as shown in the design map).

This will assist traffic travelling West along Lollara Road, just after crossing the bridge, to safely pass any stationary vehicles turning right into Lucaston Road.

Mountain River Bridge design

6Frequently Asked Questions

Why is the bridge being replaced?

The existing one lane bridge was reportedly built in 1912 and no longer meets current usage expectations or safety standards. The bridge has a load limit that currently restricts its use.  Replacing the bridge would help support businesses, local agricultural traffic, and residents in the area.

Will Longleys Road be closed during construction?

Longleys Road will remain open.

Following consultation with directly impacted landowners, we have developed the current design that keeps Longleys Road open during construction.

What traffic changes will happen on Lollara Road when the new, Mountain River Bridge is in use?

Removing the existing 18-tonne load limit of the bridge would allow access for more heavy vehicles. However, according to our statistics and analysis of current routes and destinations of heavy vehicles traveling around the area, we do not foresee any significant impact.

Will there be a lengthy road closure during bridge replacement?  How will the works affect me?

Where possible the new bridge will be constructed in another location and brought to site when it is ready to be installed. This means the road and existing bridge can remain open for most of the construction period.

We will keep the interruptions to traffic to minimum. More information on traffic management will be available closer to the works.

Traffic changes

To ensure that the existing bridge remains serviceable until construction of the new bridge is completed, the speed limit will be reduced from mid August 2021 until the bridge replacement is completed.

There will be some temporary traffic changes to ensure the safety of workers and road users during construction. More information will be available closer to the works.

7Contact

For more information about the project, please contact our Stakeholder Engagement Consultant, Rodney Lester, on 0405 137 237 or by email rodney@eraplanning.com.au.