Road Stream Crossing Site GTBAY_GCN011

East Bay Shoreline & Tributaries Watershed, Guyer Creek North
Timberlane Drive
Banks Twp, Antrim County
Information collected by:
Site Location
GPS Coordinates: 45.1449 , -85.368204
T32N R9W Sec 26
Owned by Private
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 1.1074 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: Other
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 20 ft. , Width 2.2 ft. , Height 1.7 ft.
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.1 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: 0.3 ft.
Bankfull Width: 4.9 ft.
Wetted Width: 4.4 ft.
Water Velocity: 0.9 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel Private Road
Road Condition: Good
Road Width at Culvert: 16 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: Vertical
Downstream
Fill Depth: 1.4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0055 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.1019 tons/year
Erosion Information
Total Erosion at Crossing: 1.1074 tons/year
Summary Information
Fish Passability 0