Road Stream Crossing Site ST155
Sturgeon River Watershed, West Branch Sturgeon River
Coash Rd
Hudson Twp,
Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.137067
, -84.755317
T32N
R04W
Sec 26
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 3.5081 tons/year
Severity: Severe
Year Inventoried: 2015
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Trash Rack
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
3.9 ft. |
40 ft. |
2.8 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 3.8 ft.
, Height 2.8 ft.
Percentage Plugged:
Inlet: 1% to 25%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 2.6 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 2.6 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 30 ft.
, Width 50 ft.
, Depth 3.5 ft.
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 10 ft.
Wetted Width: 9.3 ft.
Water Velocity: 1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel
State Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 214 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.433
Erosion: 0.5358 tons/year
Right Approach
Length: 915 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.562
Erosion: 2.9722 tons/year
Erosion Information
Total Erosion at Crossing: 3.5081 tons/year
Summary Information
Fish Passability 0.5
Fish Passage is an area of concern for this site.
water velocity
A future visit to this site is recommended. High velocity