Fish Passage Improvement site 20400154

Fish Passage Site 20400154

Coordinates (dec. deg.): 61.09730°, -149.74459°
Legal Description: S012N003W26
Region: South Central
Road Name: Kelly Ranch Road

Datum: NAD83
Quad Name / ITM: Anchorage A-8
AWC Stream #:
Stream Name: Rabbit Creek

Elevation:

Site Comments: RABBIT CREEK WATERSHED

Survey Date: Sep 20, 2004

Survey ANC04-3A154

site photos

Observers: Dean Beers, Vic Stanculescu

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: RABBIT CREEK WATERSHED

Culvert Measurements

ID: 1

Structure Type: Pipe-arch (Corrugated Metal)

Fish Passage Rating:

Length(ft): 27.7

Inlet Type: Projecting

Outlet Type:

Corrugation Depth(in.): 2.0

Corrugation Width(in.): 6.0

Condition Rating(1-5): 2

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate:

Outlet Substrate:

	Inlet	Outlet
Width(ft):	11.8
Height(ft):	6.7
Apron Length(ft):
Water Depth(ft):		0.5
Rustline Height(ft):	1.9
Substrate Depth(ft):

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height: 0.39

Outfall Type:

Constriction Ratio: 0.7

Culvert Gradient: 2.38%

Max Slope:

Max Slope Length:

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:
Subdominant:

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Upstream bank full	75.0	38.70
Upstream bank full	100.0	24.60
Upstream bank full	125.0	37.00
Upstream bank full	150.0	25.50
Upstream bed width	75.0	18.20
Upstream bed width	100.0	17.00
Upstream bed width	125.0	10.20
Upstream bed width	150.0	10.10
Upstream ordinary high water	75.0	19.10
Upstream ordinary high water	100.0	17.20
Upstream ordinary high water	125.0	16.50
Upstream ordinary high water	150.0	14.60

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
D/S Thalweg				88.30
Max Pool Depth				88.68
D/S Tailcrest or 1st Thalweg				89.03
OHW Left Bank				89.62
OHW Left Bank				89.87
U/S Thalweg	1			90.79
Outlet Invert	1	0.00	0.0	89.76
Road Elev		13.50		98.38
Inlet Culvert Invert	1	27.00	0.0	90.42

Notes:

River distance is measured continuously throughout the survey reach along the thalweg of the stream.
Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Visual Observation, Ground (A)

Fish Observations

No fish observations occurred during this survey.

Photos

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