Road Stream Crossing Site PM_M021

Pere Marquette River Watershed, inlet tributary to Big South Branch
Masten Rd
Logan Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 43.84378 , -86.05829
T17N R15W Sec 26
Owned by Private
Fish Passability 0
Perch Height: 1.4 ft.
Total Erosion: 0.8548 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: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 90 ft. , Width 3.5 ft. , Height 3.5 ft.
Perch Height: 1.4 ft.
Water Depth: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
dry-perched outlet apron
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0 ft.
Wetted Width: 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: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: More than 1:2
Downstream
Approaches
Left Approach
Length: 840 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.554
Erosion: 0.3692 tons/year
Right Approach
Length: 400 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.53
Erosion: 0.4856 tons/year
Erosion Information
Total Erosion at Crossing: 0.8548 tons/year
Summary Information
Fish Passability 0