Road Stream Crossing Site CRW_047

Cedar River Watershed, West Branch Cedar River
Cranberry Lake Rd
Hamilton Twp, Clare County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.046533 , -84.668367
T19N R3W Sec 9
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 0.3525 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: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft. , Width 6 ft. , Height 6.5 ft.
Percentage Plugged: Inlet: 0% Outlet: 0% In Pipe: 0%
Percentage Crushed: Inlet: 0% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.9 ft./sec.
Structure Outlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.9 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Additional Comments
Lat: 44-02.792'; Long: 84-40.102
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 60 ft. , Width 38 ft. , Depth 4 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 35 ft.
Wetted Width: 24 ft.
Water Velocity: 1.8 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.5 ft.
Slope: 1:1
Downstream
Fill Depth: 2.5 ft.
Slope: 1:1
Approaches
Left Approach
Length: 450 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.49
Erosion: 0.1531 tons/year
Right Approach
Length: 525 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.505
Erosion: 0.1841 tons/year
Erosion Information
Total Erosion at Crossing: 0.3525 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: On Right approach about 100' up the road, heavy runoff directed into ditch both sides the road
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Approach
4 ft.
1 ft.
0.5 ft.
no
Sand
0.0154
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Heavy flow through culvert Need to direct road runoff on west side to ditches
A future visit to this site is recommended. Fish Passage & Erosion control on west approach