Road Stream Crossing Site Mu-071
Muskegon River Watershed, Twin Creek
95th Ave
Osceola Twp,
Osceola County
Information collected by:
Site Location
GPS Coordinates: 43.90899
, -85.27637
T18N
R8W
Sec 33
Owned by Private
Perch Height: 0.5 ft.
Total Erosion: 0.3491 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: Ellipse
Inlet Type: Projecting
Outlet Type: Freefall onto Riprap
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 34 ft.
, Width 5.8 ft.
, Height 3.8 ft.
Perch Height: 0.5 ft.
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.7 ft./sec.
*Water Velocities were measured 1.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.4 ft.
Bankfull Width: 14 ft.
Wetted Width: 13 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 800 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.55
Erosion: 0.3491 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.3491 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
Possibly to slow outlet velocity and stream free-fall.
A future visit to this site is recommended.
See above comments.