Fish Passage Site 20203774

Coordinates (dec. deg.): 60.12753°, -149.42065°
Legal Description: S001N001W34
Region: South Central
Road Name: Taxiway F

Datum: NAD83
Quad Name / ITM: Seward A-7
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Site is the last culvert downstream from 4 taxiway culverts, B-E, at the Seward Airport.

Survey Date: Jan 26, 2018

Survey UPDATE-TAXIF

Project Supervisor: Gillian O'Doherty, ADFG
Observers: William Frost

Overall Fish Passage Rating: Black

Tidal:
Backwatered:

Step Pools:
Construction Year:


Comments: Site has not been assessed. Submitted by Will Frost, HB, ADF&G, Anchorage. Creek has been nominated for adult pink salmon spawning above crossing. Creek runs between runway 34-16 and the airport tarmac and is a drainage ditch.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft):
Inlet Type: Flared Inlet
Outlet Type: Flared Inlet
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?:
Baffles Present:
Embedded?:
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert length is estimated from satellite imagery at 97.5 ft.

Stream Measurements

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

No stream width data available.

Elevations

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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