Road Stream Crossing Site PM_M017

Pere Marquette River Watershed, Black Creek tributary
Johnson Rd
Amber Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 43.96222 , -86.29156
T18N R17W Sec 12
Owned by Private
Fish Passability 0.5
Total Erosion: 3.4719 tons/year
Severity: Severe
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: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 68 ft. , Width 1.5 ft. , Height 1.5 ft.
Percentage Plugged: Inlet: 1% to 25%
Structure Inlet
Water Depth: 0.6 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Water Velocity*: 0 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: 4 ft.
Wetted Width: 3.5 ft.
Water Velocity: 0 ft./sec. (Measured with Meter)
Dominant Substrate: Organics
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 6 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 240 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.438
Erosion: 0.695 tons/year
Right Approach
Length: 300 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.4
Erosion: 2.7769 tons/year
Erosion Information
Total Erosion at Crossing: 3.4719 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Himalayan Blackberry