Road Stream Crossing Site PM_N004

Pere Marquette River Watershed, Pease Creek
17 Mile Rd
Home Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.79943 , -85.74113
T16N R12W Sec 4
Owned by Private
Fish Passability 0.5
Total Erosion: 0.941 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: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft. , Width 1.5 ft. , Height 1.5 ft.
Structure Inlet
Water Depth: 0.5 ft.
Water Velocity*: 2 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Water Velocity*: 0.8 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 6 ft.
Wetted Width: 6 ft.
Water Velocity: 1.2 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 19 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 150 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.12
Erosion: 0.8793 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0523 tons/year
Erosion Information
Total Erosion at Crossing: 0.941 tons/year
Extent of Erosion: Moderate
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Upstream Embankment
2 ft.
1 ft.
0.5 ft.
yes
Loam
0.0062
Right Downstream Embankment
1 ft.
2 ft.
0.5 ft.
yes
Loam
0.0031
Summary Information
Fish Passability 0.5