Road Stream Crossing Site Mu-054

Muskegon River Watershed, Hersey River
220th Ave
Lincoln Twp, Osceola County
Information collected by:
Site Location
GPS Coordinates: 43.91395 , -85.52129
T18N R10W Sec 33
Owned by Private
Structure is NOT Perched
Total Erosion: 4.1198 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Erosion
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 37 ft. , Width 68 ft. , Height 11 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 3.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.6 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 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: 1.3 ft.
Bankfull Width: 32 ft.
Wetted Width: 30 ft.
Water Velocity: 3.9 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 36 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 440 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0262 tons/year
Erosion Information
Total Erosion at Crossing: 4.1198 tons/year
Extent of Erosion: Moderate
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Downstream Streambank
40 ft.
2.5 ft.
5 ft.
yes
Sand
1.54
Left Downstream Streambank
60 ft.
1.5 ft.
3 ft.
yes
Sandy Loam
1.2096
Left Upstream Streambank
40 ft.
2 ft.
5 ft.
yes
Sandy Loam
1.344
Summary Information
Erosion is an area of concern for this site.