Road Stream Crossing Site GTBAY_GC007

East Bay Shoreline & Tributaries Watershed, Guyer Creek
Antrim Drive
Banks Twp, Antrim County
Information collected by:
Site Location
GPS Coordinates: 45.159479 , -85.365979
T32N R9W Sec 24
Owned by Private
Fish Passability 0.9
Total Erosion: 1.7767 tons/year
Severity: Moderate
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: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft. , Width 3.5 ft. , Height 3.5 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 5.5 ft.
Wetted Width: 4.7 ft.
Water Velocity: 2.1 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel Private Road
Road Condition: Good
Road Width at Culvert: 18.5 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.7 ft.
Slope: 1:2
Downstream
Fill Depth: 5.1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0064 tons/year
Right Approach
Length: 260 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.336
Erosion: 1.7703 tons/year
Erosion Information
Total Erosion at Crossing: 1.7767 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Autumn Olive