Road Stream Crossing Site GTBAY_LEE053
West Bay Shoreline & Tributaries Watershed, Unnamed
M-22
Suttons Bay Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 44.96349597
, -85.63576807
T30N
R11W
Sec 33
Owned by Private
Fish Passability 0.9
Total Erosion: 0.128 tons/year
Severity: Minor
Year Inventoried: 2020
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: Trash Rack
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 64.5 ft.
, Width 2.5 ft.
, Height 2.5 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 7.8 ft.
Wetted Width: 5.9 ft.
Water Velocity: 0.3 ft./sec.
Dominant Substrate: Sand
Road Information
Paved
State Road
Road Condition: Fair
Road Width at Culvert: 39.3 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 3.6 ft.
Slope: Less than 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.48
Erosion: 0.1247 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0032 tons/year
Erosion Information
Total Erosion at Crossing: 0.128 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Queen Anne's Lace, Spotted Knapweed