Road Stream Crossing Site GTBAY_ANTC001
East Bay Shoreline & Tributaries Watershed, Antrim Creek
Old Dixie Hwy
Banks Twp,
Antrim County
Information collected by:
Site Location
GPS Coordinates: 45.172756
, -85.372626
T32N
R9W
Sec 14
Owned by Local Government
Private
Private
Fish Passability 0
Total Erosion: 0.3215 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: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 4.8 ft.
, Height 4 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.7 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 24 ft.
, Width 16 ft.
, Depth 2.3 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 11.2 ft.
Wetted Width: 5.3 ft.
Water Velocity: 1.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
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: 3.1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1818 tons/year
Right Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 0.1396 tons/year
Erosion Information
Total Erosion at Crossing: 0.3215 tons/year
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Spotted Knapweed