Fish Passage Improvement site 20503780

Fish Passage Site 20503780

Coordinates (dec. deg.): 61.52926°, -149.60126°
Legal Description: S017N002W26
Region: South Central
Road Name: W Birch Harbor Dr

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #: 247-50-10305
Stream Name: Crocker Creek

Elevation:

Site Comments: Tipton Park Access

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-TIP01

site photos

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Mark Eisenman

Overall Fish Passage Rating: Black

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Comments: Site visit to take photos and get baseline information. This culvert was not included in the 2009-11 MSB Project. Site still needs full assessment. Culvert looks undersized for creek but rust line and moss accumulation show this site does not take much more water. Headwaters for creek about a half mile upstream. Upstream looks fairly shallow, but there are a few pools. A visit in the summer should be attempted to see if this section of the creek goes dry and to trap for fish presence. Currently the creek is cataloged to this crossing, but anadromy likely extends farther upstream. Creek also appears to be over widened upstream and downstream from the culvert due to human activity.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated steel)

Fish Passage Rating: Black

Length(ft): 19.5

Inlet Type: Projecting

Outlet Type: Projecting

Corrugation Depth(in.):

Corrugation Width(in.):

Condition Rating(1-5): 3

Approach Angle:

Sedimentation At Inlet: Yes

Inlet Substrate: Gravel

Outlet Substrate: Gravel

	Inlet	Outlet
Width(ft):	3.0	3.0
Height(ft):	2.7	2.7
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):

Backwatered?: No

Baffles Present: No

Embedded?: No

Outfall Height:

Outfall Type: At Stream Grade

Constriction Ratio:

Culvert Gradient:

Max Slope:

Max Slope Length:

Comments: Culvert length estimated using GIS at 19.5 ft. There is some gravel at the inverts. Stream riffles out of outlet and then is flat downstream. Cuvert measured.