Road Stream Crossing Site PM_M130

Pere Marquette River Watershed, Lichte Creek tributary
Chauvez Rd
Riverton Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 43.90553 , -86.36213
T18N R17W Sec 32
Owned by Private
Fish Passability 0.5
Total Erosion: 0.221 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 85 ft. , Width 2 ft. , Height 2 ft.
Structure Inlet
Water Depth: 0.5 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
Brownish-orange sludge on water at outlet
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 6 ft.
Wetted Width: 4.5 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: 29 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 24 ft.
Slope: 1:1
Downstream
Fill Depth: 22 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0096 tons/year
Right Approach
Length: 450 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.49
Erosion: 0.2114 tons/year
Erosion Information
Total Erosion at Crossing: 0.221 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5