Fish Passage Site 20303921

Coordinates (dec. deg.): 60.90599°, -149.08105°
Legal Description: S009N002E03
Region: South Central
Road Name: Seward Highway

Datum: NAD83
Quad Name / ITM: Seward D-6
AWC Stream #: 247-60-10242
Stream Name: Unnamed

Elevation:

Site Comments: MP85.99

Survey Date: Apr 30, 2019

Survey UPDATE-SEW01

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

Overall Fish Passage Rating: Gray

Tidal: Yes
Backwatered:

Step Pools:
Construction Year: 2019


Comments: Culvert information and photos submitted by Will Frost, ADFG, HB. Culvert replaced as part of the Seward Highway Phase I improvement project. Culvert is tidally influenced. Culvert measurements taken from fish habitat permit and have not been verified. Culvert replaced under fish habitat permit FH 17-II-0010.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated aluminum) Fish Passage Rating: Gray
 
Length(ft):
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?:
Baffles Present:
Embedded?:
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert dimensions taken from fish habitat permit and have not been verified. Culvert diameter 3.5 feet, culvert length 92 feet, culvert gradient 1.1%.

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.

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