Fish Passage Site 20502130

Coordinates (dec. deg.): 61.69884°, -149.99754°
Legal Description: S019N004W33
Region: South Central
Road Name: Alaska Railroad

Datum: NAD83
Quad Name / ITM: Anchorage C-8
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Alaska RR at MP 182.08

Survey Date: Sep 12, 2011

Survey MSB11-AKR02

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: Yes

Step Pools: No
Construction Year:


Site Observations:

  1. Hydraulic flows exceeded capacity
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Beaver Activity

Comments: New site on the railroad which appeared to be a broken culvert although it connects two pond areas and is a submerged pipe. Upstream side only the top of pipe is visible and downstream we could not find the submerged outlet.

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.): 2.75
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):0.0 0.0
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: Yes
Baffles Present: No
Embedded?:
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Could not measure inlets and outlets due to the pipe being submerged.
  Culvert Observations:
  1. Hydraulic flows exceeded capacity
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Beaver Activity

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayOrganic
Subdominant:OrganicSilt/Clay
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.

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