Fish Passage Site 20200635

Coordinates (dec. deg.): 61.13768°, -146.33370°
Legal Description: C008S006W32
Region: South Central
Road Name: Richardson Highway

Datum: NAD83
Quad Name / ITM: Valdez A-7
AWC Stream #: 221-60-11450
Stream Name: Crooked Creek


Site Comments: MP 1.6

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: Mark Eisenman

Overall Fish Passage Rating: Green

Tidal: Yes

Step Pools:
Construction Year: 2012

Comments: Site Replace in July 2012.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Structural aluminum plate) Fish Passage Rating: Green
Inlet Type: Headwall
Outlet Type: Headwall
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Baffles Present: No
Embedded?: Maybe
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: All culvert measurements, slope and substrate depths taken from As-built plans and have not been confirmed. Culvert dimensions are full pipe and do not take into account substrate at inverts. Rip Rap apron Length 40' downstream, 15' upstream. Cuvlert width 13.1 ft. Culvert height 8.16 ft. Substrate depth 1.5 ft. Culvert length 65 ft. Culvert slope 0.25%.

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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