Fish Passage Improvement site 20401296

Fish Passage Site 20401296

Coordinates (dec. deg.): 61.52290°, -149.57120°
Legal Description: S017N002W35
Region: South Central
Road Name: Cardiff Road

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Lucy Creek tributary

Elevation:

Site Comments: CAR01 is upstream from this site.

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 MSCS1-CT147

site photos

Observers: Edward Weiss, Doug Hill

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: Major perch at culvert outlet Channel uspstrm in part & dwnstrm 80' constructed/altered in past to allow road construction; Channel width varies, channel entrenched w/lower banks & wide spots w/in higher banks.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated Metal)

Fish Passage Rating: Red

Length(ft): 48.1

Inlet Type: Projecting

Outlet Type:

Corrugation Depth(in.): 0.5

Corrugation Width(in.): 2.67

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate: Silt/Clay

Outlet Substrate: Gravel

	Inlet	Outlet
Width(ft):	2.86	2.95
Height(ft):	2.83	3.0
Apron Length(ft):
Water Depth(ft):	0.63	0.25
Rustline Height(ft):
Substrate Depth(ft):	0.02	0.0

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height:

Outfall Type: Free Fall In To Pool

Constriction Ratio: 0.22

Culvert Gradient: 1.52%

Max Slope:

Max Slope Length:

Culvert Observations:

Improper bedding

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Silt/Clay	Gravel
Subdominant:

Stream Slope(deg.):
Stream Flow Stage:	Medium

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water	50.0	8.00
Downstream ordinary high water	100.0	8.50
Upstream ordinary high water	50.0	16.00
Upstream ordinary high water	100.0	9.80

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
Outlet Culvert Top	1			92.66
Inlet Culvert Top	1			93.19
D/S Thalweg		0.00	100.0	87.68
D/S Thalweg		50.00	50.0	88.84
D/S Tailcrest or 1st Thalweg		97.60	2.4	89.21
D/S Thalweg		99.20	0.8	89.14
Outlet Thalweg	1	100.00	0.0	89.33
Outlet Invert	1	100.00	0.0	89.60
Road Elev		124.00		94.18
Road Elev		124.00		94.75
Inlet Culvert Invert	1	148.00	0.0	90.33
Inlet Thalweg	1	148.00	0.0	90.33
U/S Thalweg		198.00	50.0	89.94
U/S Thalweg		248.00	100.0	90.34

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: Minnow Trap (A)		Trap Duration(h): 78906

Gear Type: Minnow Trap (B)		Trap Duration(h): 18

Fish Observations

Species: juvenile/adult Dolly Varden		Life History: Unknown
Total Fish Observed: 2	Fish Measured: 1	Fork Lengths (mm) Min: 140 Max: 140 Mean: 140
Collected/Observed by Gear Type: Upstream Minnow Trap (2)

Species: no fish collected or observed		Life History: Not Applicable
Total Fish Observed: 0	Fish Measured:	Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (0)

Photos

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