The original beaver dam that created the beaver bog (shown here beyond the bridge) was built just behind the bridge. Between bridge charlie and bridge bravo were six or seven smaller dams. This was about twenty years ago.
john
Beavers build new dam
On the east side of the beaver bog there is now a three foot high and maybe thirty feet long dam. It is maybe five feet or so wide with branches, tree trunks, and even dimension lumber from an old bridge. Mud is fastidiously inserted into every gap.
The dam has backed up water enough to make snow machine trail bridge Echo impassable without waders or a boat.
Earlier this year the bridge was under water for about two weeks but the water level returned to normal. I suspected possible beaver activity and wondered what may have happened. Then we had beavers build a dam downstream at Bridge Bravo near our house. The town road crew removed that dam a couple weeks ago. I suspect the dam at bridge Echo is their response.