Road Stream Crossing Site Mu-048

Muskegon River Watershed, Johnson Creek
US-131 S Ramp
Richmond Twp, Osceola County
Information collected by:
Site Location
GPS Coordinates: 43.8865 , -85.53198
T17N R10W Sec 8
Owned by Private
Structure is NOT Perched
Total Erosion: 2.38 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Erosion
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: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 36 ft. , Width 86 ft. , Height 25 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.2 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 0.8 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 17.3 ft.
Wetted Width: 11.7 ft.
Water Velocity: 1.9 ft./sec. (Measured with Meter)
Dominant Substrate: Bedrock
Road Information
Paved State Road
Road Condition: Good
Road Width at Culvert: 32 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: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Right Approach
Length: 700 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.535
Erosion: 0.3962 tons/year
Erosion Information
Total Erosion at Crossing: 2.38 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
50 ft.
5 ft.
3.5 ft.
yes
Sandy Loam
1.176
Left Downstream Streambank
35 ft.
4 ft.
2 ft.
yes
Sand
0.539
Right Upstream Streambank
10 ft.
5 ft.
4 ft.
yes
Sandy Loam
0.2688
Summary Information
Erosion is an area of concern for this site.