Fish Passage Improvement site 20401299

Fish Passage Site 20401299

Coordinates (dec. deg.): 61.45491°, -149.80899°
Legal Description: S016N003W28
Region: South Central
Road Name: Lucy Lake Road

Datum: NAD83
Quad Name / ITM: Anchorage B-8
AWC Stream #: 247-50-10300-2001
Stream Name: Lucy Creek Tributary

Elevation:

Site Comments: Bruno Wiida's drive (visited with Bruno)

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-CT150

site photos

Observers: Edward Weiss, Doug Hill

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: Multiple dents & squashes; not sure if designed squash pipe, round squashed purposely or inadvertent squash

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated Metal)

Fish Passage Rating: Gray

Length(ft): 42.5

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: Gravel

Outlet Substrate: Silt/Clay

	Inlet	Outlet
Width(ft):	4.3	6.0
Height(ft):	2.6	3.2
Apron Length(ft):
Water Depth(ft):	0.45	0.4
Rustline Height(ft):
Substrate Depth(ft):	2.2	2.3

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height:

Outfall Type:

Constriction Ratio:

Culvert Gradient: 1.27%

Max Slope:

Max Slope Length:

Culvert Observations:

Structural Problem

Stream Measurements

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

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

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water	50.0	12.00
Downstream ordinary high water	100.0	7.00

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
Inlet Culvert Top	1			94.97
Outlet Culvert Top	1			95.22
D/S Thalweg		0.00	100.0	87.18
D/S Thalweg		50.00	50.0	91.36
D/S Tailcrest or 1st Thalweg		94.00	6.0	92.19
Max Pool Depth		97.00	3.0	92.23
Outlet Invert	1	100.00	0.0	92.03
Outlet Thalweg	1	100.00	0.0	92.03
Road Elev		121.00		96.16
Road Elev		121.00		96.35
Inlet Culvert Invert	1	142.00	0.0	92.57
Inlet Thalweg	1	142.00	0.0	92.57
U/S Thalweg	1	142.50	0.5	92.61
U/S Thalweg	1	149.50	7.5	92.75

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): 2

Gear Type: Minnow Trap (B)		Trap Duration(h): 2

Fish Observations

Species: juvenile rainbow trout		Life History: Resident
Total Fish Observed: 2	Fish Measured: 1	Fork Lengths (mm) Min: 87 Max: 87 Mean: 87
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) Upstream Minnow Trap (0)

Photos

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