Road Stream Crossing Site PM_M161
Pere Marquette River Watershed, Pere Marquette tributary
Meyers Rd
Pere Marquette Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.9507790105106
, -86.3982036709785
T18N
R18W
Sec 13
Owned by Private
Local Government
Local Government
Total Erosion: 0.0209 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: Apron
Outlet Type: Outlet Apron
Structure Material: Concrete
Structure Substrate: None
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 65 ft.
, Width 3 ft.
, Height 3 ft.
Structure Inlet
Water Depth: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 3.5 ft.
Wetted Width: 3 ft.
Water Velocity: 1.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 28 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 4 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0093 tons/year
Right Approach
Length: 40 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.314
Erosion: 0.0116 tons/year
Erosion Information
Total Erosion at Crossing: 0.0209 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.