Road Stream Crossing Site GTBAY_U006
East Bay Shoreline & Tributaries Watershed, Unnamed
Private Drive
East Bay Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.738029
, -85.535861
T27N
R10W
Sec 16
Owned by Private
Total Erosion: 0.0231 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)
Structure Shape: Round
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 26 ft.
, Width 2.5 ft.
, Height 2.5 ft.
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.8 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
(with Meter)
Additional Comments
Outlet covered in poison ivy
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 4.8 ft.
Wetted Width: 3.9 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
Private Road
Road Condition: Fair
Road Width at Culvert: 12 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 15 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0025 tons/year
Right Approach
Length: 25 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.25
Erosion: 0.0207 tons/year
Erosion Information
Total Erosion at Crossing: 0.0231 tons/year
Summary Information