Road Stream Crossing Site GTBAY_U008
East Bay Shoreline & Tributaries Watershed, Unnamed
Winter Ridge Drive
East Bay Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.735711
, -85.535763
T27N
R10W
Sec 16
Owned by Private
Fish Passability 1
Total Erosion: 1.4262 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: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 47 ft.
, Width 3 ft.
, Height 3 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.9 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Additional Comments
Change passability score to 1, ample water depth and structure velocities within range, not a fish barrier. Change severity to minor, erosion may not be an area of concern due to heavy vegetation surrounding stream banks.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 2.9 ft.
Wetted Width: 2.3 ft.
Water Velocity: 1.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
Private Road
Road Condition: Fair
Road Width at Culvert: 20.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 15 ft.
Slope: 1% to 5%
Vegetation: None
LS Factor: 0.17
Erosion: 0.0144 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.4118 tons/year
Erosion Information
Total Erosion at Crossing: 1.4262 tons/year
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Autumn Olive, Queen Anne's Lace, Spotted Knapweed