Road Stream Crossing Site PM_M160
Pere Marquette River Watershed, Pere Marquette tributary
6th St
Pere Marquette Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.94168
, -86.39886
T18N
R18W
Sec 24
Owned by Private
Local Government
Local Government
Fish Passability 0.5
Total Erosion: 0.0874 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: 0.3 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 5.5 ft.
Wetted Width: 5 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 31 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:2
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0102 tons/year
Right Approach
Length: 180 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.418
Erosion: 0.0771 tons/year
Erosion Information
Total Erosion at Crossing: 0.0874 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5