Road Stream Crossing Site PM_O016

Pere Marquette River Watershed, Beaver Creek
160th Ave
Leavitt Twp, Oceana County
Information collected by:
Site Location
GPS Coordinates: 43.72604 , -86.15799
T15N R15W Sec 6
Owned by Private
Fish Passability 0.9
Total Erosion: 2.375 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 2.5 ft. , Height 2.5 ft.
Structure Inlet
Water Depth: 0.2 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Additional Comments
recent rain
Stream Information
Stream Flow: Bankfull
Scour Pool: Length 4 ft. , Width 5 ft. , Depth 0.8 ft.
Riffle Information
Water Depth: 0.15 ft.
Bankfull Width: 4.5 ft.
Wetted Width: 4.5 ft.
Water Velocity: 0.5 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 12.5 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.6 ft.
Slope: 1:2
Downstream
Fill Depth: 1.1 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 550 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.51
Erosion: 0.9659 tons/year
Right Approach
Length: 750 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.543
Erosion: 1.4011 tons/year
Erosion Information
Total Erosion at Crossing: 2.375 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.
2 ft.
yes
Gravelly Loam
0.006
Right Downstream Embankment
1 ft.
2 ft.
2 ft.
yes
Gravelly Loam
0.002
Summary Information
Fish Passability 0.9