Road Stream Crossing Site GTBAY_BC009

East Bay Shoreline & Tributaries Watershed, Baker Creek
Private Drive
East Bay Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.732668 , -85.519866
T27N R10W Sec 16
Owned by Private
Fish Passability 0.5
Total Erosion: 3.1026 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)
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 18 ft. , Width 2 ft. , Height 1.6 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 1.6 ft.
Wetted Width: 1.6 ft.
Water Velocity: 2 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel Private Road
Road Condition: Poor
Road Width at Culvert: 10 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 6% to 10%
Vegetation: Partial
LS Factor: 2.25
Erosion: 3.0992 tons/year
Right Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0034 tons/year
Erosion Information
Total Erosion at Crossing: 3.1026 tons/year
Summary Information
Fish Passability 0.5
Erosion is an area of concern for this site. Steep grade on approach
These non-native species were observerd at this site: Spotted Knapweed, Autumn Olive