Road Stream Crossing Site PM_L034
Pere Marquette River Watershed, Middle Branch
Hawkins Rd
Chase Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 43.85394
, -85.6023
T17N
R11W
Sec 22
Owned by Private
Fish Passability 0.9
Total Erosion: 0.2074 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: Open Bottom Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 64 ft.
, Width 14 ft.
, Height 8 ft.
Structure Inlet
Water Depth: 0.6 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.3 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: 0.4 ft.
Bankfull Width: 4 ft.
Wetted Width: 2 ft.
Water Velocity: 0.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 360 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.472
Erosion: 0.1517 tons/year
Right Approach
Length: 155 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.403
Erosion: 0.0558 tons/year
Erosion Information
Total Erosion at Crossing: 0.2074 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.9