Road Stream Crossing Site PM_M094

Pere Marquette River Watershed, Swan Creek subwatershed
Chauvez Rd
Riverton Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 43.9044 , -86.2947
T17N R17W Sec 1
Owned by Private
Fish Passability 0.5
Total Erosion: 0.3319 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: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 70 ft. , Width 2.5 ft. , Height 2.5 ft.
Water Depth: 0 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: 1:1.5
Downstream
Fill Depth: 6 ft.
Slope: 1:2
Approaches
Left Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 0.1523 tons/year
Right Approach
Length: 460 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.492
Erosion: 0.1796 tons/year
Erosion Information
Total Erosion at Crossing: 0.3319 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5