Fish Passage Site 20200636

Coordinates (dec. deg.): 61.13798°, -146.32369°
Legal Description: C008S006W33
Region: South Central
Road Name: Richardson Highway

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

Elevation:

Site Comments: MP 2.0

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.

Survey UPDATE-RICH636

Project Supervisor: Gillian O'Doherty, ADFG
Observers:

Overall Fish Passage Rating: Green

Tidal: Yes
Backwatered:

Step Pools: No
Construction Year: 2012


Comments: Site replaced July 2012.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Structural aluminum plate) Fish Passage Rating: Green
 
Length(ft):
Inlet Type: Headwall
Outlet Type: Headwall
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?:
Baffles Present:
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: All culvert dimensions and slope taken from As-Built plans and have not been verified. Rip rap apron 40' downstream, 15' upstream. Culvert width 11.08 ft. Culvert height 7 ft. Culvert length 71 ft. Culvert gradient 0.25%.

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.

Photos

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