Fish Passage Site 20502122

Coordinates (dec. deg.): 61.64408°, -149.87367°
Legal Description: S018N003W17
Region: South Central
Road Name: Alaska Railroad

Datum: NAD83
Quad Name / ITM: Anchorage C-8
AWC Stream #:
Stream Name: Lake Creek tributary

Elevation:

Site Comments: Alaska RR at MP 176.135

Survey Date: Sep 13, 2011

Survey MSB11-AKR04

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Abraham Gioffre, Jim Latham

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Woody Debris
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Inlet perch

Comments: New site on the railroad with a severly bent pipe which made measuring the length impossible. The inlet was overgrown with vegetation and difficult to get accurate inlet measurements. Inlet has an inlet perch of about 1'.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft):
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 1
Approach Angle: 22.0
Sedimentation At Inlet: Yes
Inlet Substrate: Organic
Outlet Substrate: Sand
InletOutlet
Width(ft):3.0 3.65
Height(ft):2.4 2.2
Apron Length(ft):
Water Depth(ft): 0.5
Rustline Height(ft):2.4
Substrate Depth(ft):1.5 1.8
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 1.5
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Woody Debris
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Inlet perch

Stream Measurements

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

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.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov