Fish Passage Improvement site 10302883

Fish Passage Site 10302883

Coordinates (dec. deg.): 59.27979°, -135.67085°
Legal Description: C030S058E08
Region: Southeast
Road Name: Haines Highway

Datum: NAD83
Quad Name / ITM: Skagway B-2
AWC Stream #: 115-32-10250-2028
Stream Name: Chilkat River tributary

Elevation:

Site Comments: "9.5 Miles Creek"

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-2883

site photos

Project Supervisor: Gillian O'Doherty, ADFG
Observers:

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year: 2018

Comments: Culvert replaced as part of AKDOTs Phase 1 Haines Highway reconstruction project under fish habitat permit FH17-I-0125. Site photos and culvert plans submitted by Dylan Krull, HB, ADFG.

Culvert Measurements

ID: 1

Structure Type: Pipe-arch (Structural aluminum plate)

Fish Passage Rating: Green

Length(ft):

Inlet Type: Projecting

Outlet Type: Projecting

Corrugation Depth(in.): 2.5

Corrugation Width(in.): 9.0

Condition Rating(1-5): 1

Approach Angle:

Sedimentation At Inlet: No

Inlet Substrate:

Outlet Substrate:

	Inlet	Outlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):

Backwatered?: No

Baffles Present: No

Embedded?: Maybe

Outfall Height: 0.0

Outfall Type: At Stream Grade

Constriction Ratio:

Culvert Gradient:

Max Slope:

Max Slope Length:

Comments: Culvert measurements taken from site plans and have not been verified. Culvert height is total culvert height from site plans and not from top of sediement. Culvert width 12.6 ft. Culvert height 7.4 ft. Culvert length 94 ft. Culvert gradient 0.48%.