Fish Passage Improvement site 50101564

Fish Passage Site 50101564

Coordinates (dec. deg.): 64.74586°, -163.87150°
Legal Description: K008S026W35
Region: Arctic
Road Name: Council Road

Datum: NAD83
Quad Name / ITM: Solomon C-4
AWC Stream #:
Stream Name: Fox River tributary

Elevation:

Site Comments: Mile 60.8

Survey Date: Jul 02, 2006

Survey SEW05-COR09

site photos

Project Supervisor: Dave Ryland,
Observers: Dave Ryland, Kyle Negri

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Site Observations:

Outfall height red
Culvert gradient red

Comments: None

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Structural steel plate)

Fish Passage Rating: Red

Length(ft): 105.3

Inlet Type: Flush

Outlet Type: Flush

Corrugation Depth(in.): 2.0

Corrugation Width(in.): 6.0

Condition Rating(1-5): 4

Approach Angle: 11.0

Sedimentation At Inlet:

Inlet Substrate: None

Outlet Substrate: None

	Inlet	Outlet
Width(ft):	9.6	10.2
Height(ft):	9.9	9.9
Apron Length(ft):
Water Depth(ft):		0.25
Rustline Height(ft):	0.55
Substrate Depth(ft):	0.0	0.0

Backwatered?: No

Baffles Present: No

Embedded?: No

Embedded Depth(ft): 0.0

Outfall Height: 0.5

Outfall Type: Free Fall on To Rip Rap

Constriction Ratio: 0.84

Culvert Gradient: 5.10%

Max Slope:

Max Slope Length:

Comments: water depth in outlet estimated; pipe has low headwall.

Culvert Observations:

Outfall height red
Culvert gradient red

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Gravel	Gravel
Subdominant:	Cobble	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	84.0	13.20
Upstream bank full	75.0	14.20
Upstream bank full	100.0	13.50
Upstream bank full	125.0	14.40
Upstream bank full	150.0	10.90
Upstream bed width
Upstream ordinary high water	75.0	12.30
Upstream ordinary high water	100.0	12.00
Upstream ordinary high water	125.0	12.00
Upstream ordinary high water	150.0	9.50

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
Outlet Pool Water Elev				84.34
Max Pool Depth				0.80
D/S Grade Ctrl (Thalweg)		0.00	162.0	79.63
D/S Grade Ctrl (Thalweg)		78.00	84.0	81.50
D/S Grade Ctrl (Thalweg)		101.00	61.0	81.90
D/S Tailcrest or 1st Thalweg		136.00	26.0	83.29
OHW (Outlet Tailcrest)		136.00	26.0	84.01
Bankfull		136.00	26.0	84.37
D/S Thalweg		157.00	5.0	0.80
Outlet Invert	1	162.00	0.0	84.59
Road Elev		214.50		114.03
Inlet Culvert Invert	1	267.00	0.0	89.96
U/S Grade Ctrl (Thalweg)		272.00	5.0	90.61
U/S Grade Ctrl (Thalweg)		284.00	17.0	90.99
U/S Grade Ctrl (Thalweg)		294.00	27.0	92.20
U/S Grade Ctrl (Thalweg)		383.00	116.0	94.23
U/S Grade Ctrl (Thalweg)		399.00	132.0	95.03
U/S Grade Ctrl (Thalweg)		427.00	160.0	95.75
U/S Grade Ctrl (Thalweg)		444.00	177.0	96.57
U/S Grade Ctrl (Thalweg)		469.00	202.0	97.30

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.