Road Stream Crossing Site CRW_060A
Cedar River Watershed, Spike Horn Swale Drain Tributary to West Branch Cedar River
Athey Rd
Hamilton Twp,
Clare County
Information collected by:
Site Location
GPS Coordinates: 44.02555
, -84.6655
T19N
R3w
Sec 22
Owned by Private
Fish Passability 0
Perch Height: 0.3 ft.
Total Erosion: 0.376 tons/year
Severity: Severe
Year Inventoried: 2018
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 36 ft.
, Width 15 ft.
, Height 1.5 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Perch Height: 0.3 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Lat:44-01.533'; Long: 84-38.930'
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 15 ft.
, Width 12 ft.
, Depth 1 ft.
Upstream Pond: Length 12 ft.
, Width 30 ft.
, Depth 2 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:1
Downstream
Fill Depth: 1 ft.
Slope: 1:1
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2893 tons/year
Right Approach
Length: 300 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0868 tons/year
Erosion Information
Total Erosion at Crossing: 0.376 tons/year
Extent of Erosion: Minor
Notes: Minor Site surveyed after rain, runoff mainly directed to road shoulder, but low point is stream
Summary Information
Fish Passability 0