Grants Stream - South Branch

Culvert with asphalt as rip-rap

Culvert with wooden planks

Wooden planks on top of culvert

South Branch Grants 01

Friday, July 23, 2010


South Branch Grants brook headwaters crossed by a forestry road. Metal culvert (1 m) covered by slabs of asphalt and wooden planks. There is a lot of creozote in the wood and asphalt debris in the brook. Some water runoff from the road.

Action Required:

Replace the wooden planks on the culvert with wood that does not contain creozote. Remove the asphalt slabs and stabilize the banks with clean crushed rock on top of a geotextile.


July 10 2017

Culvert with wooden planks

Cleaned culvert


The bridge is still present and in the same condition as in 2010. Vegetation and débris clogged the culvert. They have been removed to let the water flow freely. A follow-up on the situation is recommended.

Negligible alteration

Minor alteration. Must follow site

Alteration with possibility of impact

Alteration with impact. Recommended intervention.

Full restoration

incomplete restoration or monitor

Restoration to be completed