Road Stream Crossing Site GTBAY_LEE092
West Bay Shoreline & Tributaries Watershed, Brewery Creek
M-22
Elmwood Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 44.78853665
, -85.63791216
T28N
R11W
Sec 33
Owned by Local Government
Private
Private
Perch Height: 2.6 ft.
Total Erosion: 0.9732 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: Apron
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 76 ft.
, Width 3.3 ft.
, Height 2.6 ft.
Perch Height: 2.6 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.15 ft.
Water Velocity*: 3.9 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 3 ft./sec.
*Water Velocities were measured 0.7 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 46 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.7 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 2.7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.4866 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.4866 tons/year
Erosion Information
Total Erosion at Crossing: 0.9732 tons/year
Summary Information
These non-native species were observerd at this site: Spotted Knapweed, Narrow-leaf Cattail, Queen Anne's Lace