Fish Passage Improvement site 50101658

Fish Passage Site 50101658

Coordinates (dec. deg.): 64.85239°, -166.11175°
Legal Description: K007S037W26
Region: Arctic
Road Name: Teller Road

Datum: NAD83
Quad Name / ITM: Nome D-3
AWC Stream #:
Stream Name: Willie Creek

Elevation:

Site Comments: Mile 38.1

Survey Date: Oct 06, 2005

Survey SEW05-TR19

site photos

Project Supervisor: Dave Ryland,
Observers: Dave Ryland, Jason Cheney

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Site Observations:

Outfall height red
Culvert gradient red
Constriction ratio red

Comments: None

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated steel)

Fish Passage Rating: Red

Length(ft): 82.8

Inlet Type: Mitered

Outlet Type: Mitered

Corrugation Depth(in.): 0.75

Corrugation Width(in.): 2.75

Condition Rating(1-5): 4

Approach Angle: 16.0

Sedimentation At Inlet:

Inlet Substrate: None

Outlet Substrate: None

	Inlet	Outlet
Width(ft):	5.9	6.0
Height(ft):	6.1	6.0
Apron Length(ft):
Water Depth(ft):		0.5
Rustline Height(ft):	1.5
Substrate Depth(ft):	0.0	0.0

Backwatered?: No

Baffles Present: No

Embedded?: No

Embedded Depth(ft): 0.0

Outfall Height: 0.71

Outfall Type: Free Fall In To Pool

Constriction Ratio: 0.17

Culvert Gradient: 3.08%

Max Slope:

Max Slope Length:

Culvert Observations:

Outfall height red
Culvert gradient red
Constriction ratio red

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Gravel	Gravel
Subdominant:	Boulder	Cobble

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water
Downstream ordinary high water	83.0	10.30
Upstream bank full	125.0	76.40
Upstream bank full	150.0	74.60
Upstream bank full	250.0	51.70
Upstream bank full	350.0	24.30
Upstream bed width	125.0	41.80
Upstream bed width	150.0	40.90
Upstream bed width	250.0	30.70
Upstream bed width	350.0	10.90
Upstream ordinary high water	125.0	48.30
Upstream ordinary high water	150.0	48.30
Upstream ordinary high water	250.0	32.50
Upstream ordinary high water	350.0	13.50

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
Max Pool Depth				3.70
Outlet Pool Water Elev				95.71
D/S Grade Ctrl (Thalweg)		0.00	83.0	91.91
D/S Tailcrest or 1st Thalweg		66.00	17.0	94.72
OHW (Outlet Tailcrest)		66.00	17.0	96.01
D/S Thalweg		78.00	5.0	3.40
Outlet Invert	1	83.00	0.0	95.92
Road Elev		124.00		113.39
Inlet Culvert Invert	1	165.00	0.0	98.47
U/S Grade Ctrl (Thalweg)		170.00	5.0	99.62
U/S Grade Ctrl (Thalweg)		177.00	12.0	100.08
U/S Grade Ctrl (Thalweg)		190.00	25.0	100.25
U/S Thalweg		240.00	75.0	101.55
U/S Thalweg		315.00	150.0	104.07

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.