Road Stream Crossing Site Mu-070

Muskegon River Watershed, Twin Creek
7 Mile Rd
Osceola Twp, Osceola County
Information collected by:
Site Location
GPS Coordinates: 43.91503 , -85.28162
T18N R8W Sec 28
Owned by Private
Structure is NOT Perched
Total Erosion: 3.3471 tons/year
Severity: Severe
Year Inventoried: 2014
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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 39 ft. , Width 8 ft. , Height 6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured 0.8 ft. below Surface (with Meter)
Additional Comments

Man-made dam upstream.

Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 16 ft.
Wetted Width: 12 ft.
Water Velocity: 1.5 ft./sec. (Measured with Meter)
Dominant Substrate: Cobble
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 600 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.52
Erosion: 2.3207 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 1.0264 tons/year
Erosion Information
Total Erosion at Crossing: 3.3471 tons/year
Extent of Erosion: Moderate
Summary Information
Fish Passage is an area of concern for this site.

Yes, for fish passage.