Road Stream Crossing Site PM_M047
Pere Marquette River Watershed, Black Creek tributary
Johnson Rd
Custer Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.96146
, -86.19344
T18N
R16W
Sec 11
Owned by Private
Fish Passability 0.5
Total Erosion: 0.4379 tons/year
Severity: Moderate
Year Inventoried: 2014
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: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 4 ft.
, Height 4 ft.
Structure Inlet
Water Depth: 0.2 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: None
Scour Pool: Length 7 ft.
, Width 8 ft.
, Depth 1 ft.
Upstream Pond: Length 12 ft.
, Width 8 ft.
, Depth 1 ft.
Riffle Information
Water Depth: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 17 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 4.5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 150 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0351 tons/year
Right Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.43
Erosion: 0.4028 tons/year
Erosion Information
Total Erosion at Crossing: 0.4379 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Knapweed