Fish Passage Improvement site 20502077

Fish Passage Site 20502077

Coordinates (dec. deg.): 62.89515°, -149.58946°
Legal Description: S032N002W02
Region: South Central
Road Name: Alaska Railroad

Datum: NAD83
Quad Name / ITM: Talkeetna Mts D-6
AWC Stream #:
Stream Name: Salmon Creek tributary

Elevation:

Site Comments: TMP 274.44

Survey Date: Jun 15, 2011

Survey MSB11-PSARR13

site photos

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: John Greuey, Abraham Gioffre

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Site Observations:

Outfall height red

Comments: Outlet has a large outfall height of approximately 5' and local resident along upst creek stated he only observed Cohos in stream once in past 33 years. Dwst area is a lowland slough with flat water flow.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Reinforced concrete)

Fish Passage Rating: Red

Length(ft):

Inlet Type: Projecting

Outlet Type: Projecting

Corrugation Depth(in.):

Corrugation Width(in.):

Condition Rating(1-5): 2

Approach Angle:

Sedimentation At Inlet: No

Inlet Substrate:

Outlet Substrate:

	Inlet	Outlet
Width(ft):	4.0	4.0
Height(ft):	4.0	4.0
Apron Length(ft):	0.0	0.0
Water Depth(ft):		0.5
Rustline Height(ft):
Substrate Depth(ft):	0.0	0.0

Backwatered?: No

Baffles Present: No

Embedded?: No

Outfall Height: 2.5

Outfall Type: Free Fall In To Pool

Constriction Ratio:

Culvert Gradient:

Max Slope:

Max Slope Length:

Comments: Old concrete culvert with an outfall height of about 2.5' into a large pool area. All dimensions were visually estimated not measured, except outfall height.

Culvert Observations: