Road Stream Crossing Site GTBAY_GC008
East Bay Shoreline & Tributaries Watershed, Guyer Creek
Antrim Drive
Banks Twp,
Antrim County
Information collected by:
Site Location
GPS Coordinates: 45.159516
, -85.367803
T32N
R9W
Sec 23
Owned by Private
Fish Passability 0.5
Total Erosion: 1.0187 tons/year
Severity: Moderate
Year Inventoried: 2020
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50.5 ft.
, Width 3.5 ft.
, Height 3.5 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.6 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3 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: 0.5 ft.
Bankfull Width: 6 ft.
Wetted Width: 6.5 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
Private Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 385 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.477
Erosion: 1.0118 tons/year
Right Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0069 tons/year
Erosion Information
Total Erosion at Crossing: 1.0187 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Spotted Knapweed