Fish Passage Site 20803492

Coordinates (dec. deg.): 61.01379°, -151.42441°
Legal Description: S011N012W28
Region: South Central
Road Name: Shirlyville Airstrip Road

Datum: NAD83
Quad Name / ITM: Tyonek A-4
AWC Stream #:
Stream Name: Unnamed Creek


Site Comments: Tidal Slough

Survey Date: Apr 25, 2016


Project Supervisor: Gillian O'Doherty, ADFG
Observers: Mark Eisenman, Gillian O'Doherty, Robert Pype

Overall Fish Passage Rating: Black


Step Pools:
Construction Year:

Comments: Short tidal slough with limited upstream habitat. Approximately 1/8th of mile upstream to next road crossing could not find an upstream culvert. Culvert is about 102 feet long and 2.5 wide. Outlet is in intertidal zone. Natural gas pipeline crosses road right at culvert. Water ferric.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Non-corrugated metal) Fish Passage Rating: Black
Length(ft): 102.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
Width(ft):2.5 2.5
Height(ft):2.5 2.5
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Baffles Present:
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Culvert is an old pipe of pipeline. Smooth bore and broken at joints at outlet.

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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