Road Stream Crossing Site Mu-016
Muskegon River Watershed, Butterfield Creek
Forward Rd
Aetna Twp,
Missaukee County
Information collected by:
Site Location
GPS Coordinates: 44.27325
, -85.09408
T22N
R6W
Sec 30
Owned by Private
Structure is NOT Perched
Total Erosion: 0.8715 tons/year
Severity: Moderate
Year Inventoried: 2014
Site ID
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: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 27 ft.
, Width 16 ft.
, Height 6.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 0.8 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 56 ft.
, Width 41 ft.
, Depth 7 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 2.2 ft.
Bankfull Width: 19.5 ft.
Wetted Width: 15.5 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 600 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0268 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5088 tons/year
Erosion Information
Total Erosion at Crossing: 0.8715 tons/year
Extent of Erosion: Moderate
Notes:
Erosion on far side of scour pool caused by small man-made dam where river takes a sharp 90* right turn.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Streambank |
20 ft. |
2 ft. |
2.5 ft. |
yes |
Sandy Loam |
0.336 |
Summary Information
Erosion is an area of concern for this site.