Road Stream Crossing Site GTBAY_MCT018
Mitchell Creek Watershed, Unnamed Tributary to Mitchell Creek
Garfield Rd
Garfield Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.71858313
, -85.59536277
T27N
R11W
Sec 24
Owned by Private
Fish Passability 0.9
Total Erosion: 1.5025 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)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 122.8 ft.
, Width 1.5 ft.
, Height 1.5 ft.
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 10.2 ft.
Wetted Width: 6.4 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 69 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5.1 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 5.2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 75 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0086 tons/year
Right Approach
Length: 857 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.764
Erosion: 1.494 tons/year
Erosion Information
Total Erosion at Crossing: 1.5025 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Queen Anne's Lace, Spotted Knapweed, Autumn Olive