Fish Passage Improvement site 50101657

Fish Passage Site 50101657

Coordinates (dec. deg.): 64.87834°, -166.14822°
Legal Description: K007S037W15
Region: Arctic
Road Name: Teller Road

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

Elevation:

Site Comments: Mile 40.2. Located just N of intersection with road to Wooley Lagoon

Survey Date: Oct 06, 2005

Survey SEW05-TR18

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:

Constriction ratio red
Constriction ratio red

Comments: None

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Structural steel plate)

Fish Passage Rating: Red

Length(ft): 60.5

Inlet Type: Mitered

Outlet Type: Mitered

Corrugation Depth(in.): 2.0

Corrugation Width(in.): 6.0

Condition Rating(1-5): 3

Approach Angle: 8.0

Sedimentation At Inlet:

Inlet Substrate: None

Outlet Substrate: None

	Inlet	Outlet
Width(ft):	7.9
Height(ft):	8.0
Apron Length(ft):
Water Depth(ft):		1.7
Rustline Height(ft):	1.8
Substrate Depth(ft):	0.0	0.0

Backwatered?: No

Baffles Present: No

Embedded?: No

Embedded Depth(ft): 0.0

Outfall Height: 0.02

Outfall Type: At Stream Grade

Constriction Ratio: 0.3

Culvert Gradient: 3.65%

Max Slope:

Max Slope Length:

Culvert Observations:

Culvert gradient red
Constriction ratio red

Stream Measurements

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

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water
Downstream ordinary high water	78.0	27.00
Upstream bank full	75.0	37.10
Upstream bank full	100.0	34.20
Upstream bank full	125.0	28.70
Upstream bank full	180.0	34.90
Upstream bed width	75.0	12.00
Upstream bed width	100.0	17.30
Upstream bed width	125.0	18.70
Upstream bed width	180.0	20.30
Upstream ordinary high water	75.0	27.50
Upstream ordinary high water	100.0	27.20
Upstream ordinary high water	125.0	23.20
Upstream ordinary high water	180.0	26.00

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
Max Pool Depth				2.40
Outlet Pool Water Elev				93.95
D/S Grade Ctrl (Thalweg)		0.00	78.0	88.51
D/S Tailcrest or 1st Thalweg		63.00	15.0	92.94
OHW (Outlet Tailcrest)		63.00	15.0	93.97
D/S Thalweg		73.00	5.0	2.20
Outlet Invert	1	78.00	0.0	92.27
Road Elev		108.00		103.55
Inlet Culvert Invert	1	138.00	0.0	94.48
U/S Grade Ctrl (Thalweg)		146.00	8.0	95.64
U/S Thalweg		154.00	16.0	96.28
U/S Grade Ctrl (Thalweg)		166.00	28.0	96.23
U/S Thalweg		213.00	75.0	99.55
U/S Thalweg		288.00	150.0	103.75

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.