Fish Passage Site 10302178

Coordinates (dec. deg.): 58.33672°, -134.57640°
Legal Description: C041S066E02
Region: Southeast
Road Name: North Douglas Highway

Datum: NAD83
Quad Name / ITM: Juneau B-2
AWC Stream #: 111-50-10670
Stream Name: Ninemile Creek


Site Comments: None

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey UPDATE-2178

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Gregory Albrecht

Overall Fish Passage Rating: Gray

Backwatered: No

Step Pools:
Construction Year: 2018

Comments: Culvert update and photos submitted by Greg Albrecht, ADF&G Habitat Biologist. This culvert was retrofitted with a 4.5 ft diameter plastic slip liner with 12 inch v-shaped baffles placed every 9 feet. Work was completed 11/5/18. It was noted in the follow up site visit trip report that the baffles had about one inch of water cresting over the baffles with jump heights all about 4 inches , except for the final baffle which had a jump of about 6 inches. Site rating remains Gray for baffles present. Notched log weirs present downstream for grade control.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated plastic) Fish Passage Rating: Gray
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 4
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present: Yes
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Culvert dimensions taken from trip report and have not been verified. Culvert width 4.5 ft, culvert height 4.5ft.

Stream Measurements

Stream SubstratesUpstreamDownstream
Stream Slope(deg.):
Stream Flow Stage:

No stream width data available.


No elevation data available.

Fish Sampling Efforts

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.

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