Fish Passage Site 20501403

Coordinates (dec. deg.): 62.28347°, -150.42348°
Legal Description: S025N006W05
Region: South Central
Road Name: Oil Well Road

Datum: NAD83
Quad Name / ITM: Talkeetna B-1
AWC Stream #:
Stream Name: Moose Creek tributary



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.


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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year: 2014

Site Observations:

  1. None of this type

Comments: Replaced in 2014, site resurveyed Oct 21, 2015. Rip rap from ditch falling into inlet. Upstream all wood controlled. Stream gradient taken from replacement survey. Upstream gradient 1.45%, downstream gradient 2.10%. No fish observed during visit.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated aluminum) Fish Passage Rating: Green
Length(ft): 53.5
Inlet Type: Headwall
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 5
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Gravel
Outlet Substrate: Gravel
Width(ft):7.1 7.3
Height(ft):4.2 3.8
Apron Length(ft):
Water Depth(ft): 0.31
Rustline Height(ft):
Substrate Depth(ft):3.8 4.2
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 3.8
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.22
Culvert Gradient: 2.49%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Stream Slope(deg.):1.45
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)
Width (ft)
Upstream ordinary high water 100.0 7.60
Upstream ordinary high water 150.0 4.50
Upstream ordinary high water 200.0 5.50


Locator ID Culvert
Distance (ft)1
Distance From
Crossing (ft)2
Elevation (ft)
Road Elev 100.54
Outlet Invert (On substrate) 0.00 93.20
D/S Water Surface Elev 0.00 93.51
Outlet Culvert Top 0.00 96.98
Inlet Culvert Invert (On substrate) 53.50 93.97
U/S Water Surface Elev 53.50 94.48
Inlet Culvert Top 53.50 98.21


  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

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