Main Arm Valley Flood Restoration Works

  • Project typeEssential Public Asset Restoration (EPAR)
  • Project value$12,457,018
  • Project scheduleDecember 2024 to Late 2026

We are repairing damage to roads and infrastructure in Main Arm caused by the 2022 floods.

In the Main Arm area, works include repairing:

  • roads, landslides and causeways
  • clearing debris
  • reconstructing culverts.

Current works

Causeway works

Causeway debris clean outs have been completed at the following Causeways – Numbers 3, 4, 6, 9, 10 and 11. 

Vegetation and sediment were removed to ensure these causeways are clean and unobstructed. 

Road and landslip repairs

Location Description of work Status 
Between Dry Creek Road and Motts Road

Road, drainage and maintenance work

Completed

Between Main Arm Upper Public School and Motts Road (Upper Main Arm)

Road pavement repairs

Site investigation and planning

Dry Creek Road landslip (near 58 Dry Creek Road) Install cut-off drainage, stabilise embankment, and construct new realigned pavement formation
Construction works are scheduled to commence Monday 19 January, 2026 with completion expected by March 2026.
Main Arm Road landslip (near 1650 Main Arm Road) Construct a gravity retaining wall
Completed
Main Arm Road between causeway 14 & 15

Repair failed section of concrete road and shoulder drainage
Construction in mid 2026 

Causeways, bridges and culverts

We are currently doing site investigations and planning for the following works. Details of expected construction is provided in the table. 

The table provides a description of works by location. Use the numbered markers on the maps below to view these locations.

For example, if you see "Main Arm Rd 5" on the map, you can look at the table to find out what repairs are planned there.

Location Description of work  Current status and construction
Palmwoods Road Causeway 1, 2 & 4
Upgrade to a suitable low-level causeway or bridge

Construction in 2026

Main Arm Road Causeway 3 & 4
Debris cleanup and repair works

Completed

Main Arm Road Causeway 5
Upgrade to a suitable box culvert

Construction in 2026

Main Arm Road Causeway 8
Debris cleanup and repair works

Construction in 2026

Main Arm Road Causeway 13
Upgrade to a suitable low-level bridge

Construction in 2026

Main Arm Road Causeway 16 & 17
Rebuild as a box culvert

Construction in 2026

Main Arm Road Culvert (near 1363 Main Arm Road) Coolamon Creek Reconstruct drainage structure with box culvert

Construction in 2026

Main Arm Road Culvert (near 1305 Main Arm Road)

Reconstruct culvert to functional finished level Completed

Maps of causeway, bridges and culverts

Select an image to view in full screen. The red icons indicate repairs that are not being done as part of these flood repairs. 

Contact details

Craig Murphy
02 6626 7000