Road Stream Crossing Site Mu-068
Muskegon River Watershed, Twin Creek
8 Mile Rd
Osceola Twp,
Osceola County
Information collected by:
Site Location
GPS Coordinates: 43.92951
, -85.29339
T18N
R8W
Sec 20
Owned by Private
Structure is NOT Perched
Total Erosion: 6.9091 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: Good
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 6 ft.
, Height 3.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 2.8 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 4.1 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 30 ft.
, Width 22 ft.
, Depth 2.6 ft.
Upstream Pond: Length 15 ft.
, Width 17 ft.
, Depth 1.2 ft.
Riffle Information
Water Depth: 1.6 ft.
Bankfull Width: 9 ft.
Wetted Width: 6 ft.
Water Velocity: 1.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.4545 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.4545 tons/year
Erosion Information
Total Erosion at Crossing: 6.9091 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.