Road Stream Crossing Site CRW_043

Cedar River Watershed, West Branch Cedar River
Arnold Lake Rd
Hamilton Twp, Clare County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.0758 , -84.65675
T19N R3W Sec 3
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.4275 tons/year
Severity: Minor
Year Inventoried: 2018
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: Cascade over Riprap
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 35 ft. , Width 38 ft. , Height 8 ft.
Percentage Plugged: Inlet: 76% to 100% Outlet: 0% In Pipe: 0%
Percentage Crushed: Inlet: 0% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Additional Comments
Lat; 44-04.548'; Long: 84-39.405'
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 1.5 ft.
Bankfull Width: 38 ft.
Wetted Width: 17 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 600 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.52
Erosion: 0.2372 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1901 tons/year
Erosion Information
Total Erosion at Crossing: 0.4275 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Runoff from road creating small ditch off paved roadway
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Approach
2 ft.
1 ft.
0.1 ft.
yes
Sand
0.0002
Summary Information
Fish Passability 1
Fish Passage is an area of concern for this site. Rocks blocking stream. Looks like from bridge construction
A future visit to this site is recommended. Rocks blocking stream. Looks like from bridge construction
These non-native species were observerd at this site: Purple Loosestrife