Road Stream Crossing Site PM_O029

Pere Marquette River Watershed, Beaver Creek
172nd Ave
Leavitt Twp, Oceana County
Information collected by:
Site Location
GPS Coordinates: 43.72682 , -86.12793
T15N R15W Sec 5
Owned by Private
Fish Passability 0.5
Total Erosion: 0.8885 tons/year
Severity: Moderate
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: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 3.5 ft. , Height 2.5 ft.
Structure Inlet
Water Depth: 0.3 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Stream Information
Stream Flow: Bankfull
Scour Pool: Length 15 ft. , Width 10 ft. , Depth 1.1 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 7 ft.
Wetted Width: 7 ft.
Water Velocity: 0.7 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.4 ft.
Slope: 1:2
Downstream
Fill Depth: 0.7 ft.
Slope: 1:1
Approaches
Left Approach
Length: 150 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.4
Erosion: 0.2645 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.6083 tons/year
Erosion Information
Total Erosion at Crossing: 0.8885 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Embankment
3 ft.
2 ft.
1 ft.
yes
Loam
0.0026
Left Downstream Streambank
15 ft.
1 ft.
1 ft.
yes
Loam
0.0132
Summary Information
Fish Passability 0.5