Road Stream Crossing Site GTBAY_LEE030
West Bay Shoreline & Tributaries Watershed, Leo Creek
E Richter Rd
Suttons Bay Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 44.96729323
, -85.64659355
T30N
R11W
Sec 28
Owned by Private
Fish Passability 0
Total Erosion: 0.3524 tons/year
Severity: Severe
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: Projecting
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 40.1 ft.
, Width 4.7 ft.
, Height 4.7 ft.
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 3.6 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 6.4 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 32.8 ft.
, Width 20.7 ft.
, Depth 2.1 ft.
Riffle Information
Water Depth: 0.45 ft.
Bankfull Width: 10.9 ft.
Wetted Width: 9.6 ft.
Water Velocity: 1.3 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
Town Road
Road Condition: Fair
Road Width at Culvert: 21.8 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.7 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 0.45 ft.
Slope: Less than 1:2
Approaches
Left Approach
Length: 386 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.593
Erosion: 0.165 tons/year
Right Approach
Length: 426 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.61
Erosion: 0.1874 tons/year
Erosion Information
Total Erosion at Crossing: 0.3524 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Rip rap waterfall created at outlet
These non-native species were observerd at this site: Queen Anne's Lace, Narrow Leaf Cattail, Spotted Knapweed