Road Stream Crossing Site GTBAY_GCN012
East Bay Shoreline & Tributaries Watershed, Guyer Creek North
Old Dixie Hwy
Banks Twp,
Antrim County
Information collected by:
Site Location
GPS Coordinates: 45.146867
, -85.366434
T32N
R9W
Sec 25
Owned by Private
Total Erosion: 0.1836 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: Trash Rack
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 42.5 ft.
, Width 3 ft.
, Height 3 ft.
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 21 ft.
, Width 19 ft.
, Depth 1.6 ft.
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0018 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1818 tons/year
Erosion Information
Total Erosion at Crossing: 0.1836 tons/year
Summary Information
These non-native species were observerd at this site: Spotted Knapweed, Queen Anne's Lace