Road Stream Crossing Site GTBAY_LEE103
West Bay Shoreline & Tributaries Watershed, Ennis Creek
Across from Lee Mann Rd
Leelanau Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 45.09831796
, -85.60476568
T31N
R11W
Sec 14
Owned by Private
Total Erosion: 0.0883 tons/year
Severity: Minor
Year Inventoried: 2020
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 44.5 ft.
, Width 0.8 ft.
, Height 0.8 ft.
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
Additional Comments
Bank owned development; Inlet and outlet submerged
Stream Information
Stream Flow: Less than 1/2 Bankfull
Road Information
Sand
Private Road
Road Condition: Fair
Road Width at Culvert: 7.5 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.4 ft.
Slope: 1:1
Downstream
Fill Depth: 4 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 72.6 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.357
Erosion: 0.0536 tons/year
Right Approach
Length: 336.6 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0348 tons/year
Erosion Information
Total Erosion at Crossing: 0.0883 tons/year
Summary Information