Road Stream Crossing Site Mu-037

Muskegon River Watershed, Hersey River
White Pine Trail
Richmond Twp, Osceola County
Information collected by:
Site Location
GPS Coordinates: 43.88048 , -85.50942
T17N R10W Sec 9
Owned by Private
Structure is NOT Perched
Total Erosion: 0.003 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Wood
Structure Substrate: Gravel
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 12 ft. , Width 130 ft. , Height 16.6 ft.
Percentage Plugged: Inlet: 51% to 75% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.2 ft./sec.
Structure Outlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Additional Comments

11 spans of equal length.

Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 2.2 ft.
Bankfull Width: 38 ft.
Wetted Width: 35 ft.
Water Velocity: 2.5 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved State Road
Road Condition: Fair
Road Width at Culvert: 12 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 90 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0018 tons/year
Right Approach
Length: 60 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0012 tons/year
Erosion Information
Total Erosion at Crossing: 0.003 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
A future visit to this site is recommended.

Dammed trees may cause future pooling and erosion.

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