Road Stream Crossing Site GTBAY_MCT016
Mitchell Creek Watershed, Unnamed Tributary to Mitchell Creek
Hammond Rd
Traverse City,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.715197
, -85.585362
T27N
R11W
Sec 24
Owned by Private
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 1.2287 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)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Apron
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 138 ft.
, Width 3.7 ft.
, Height 2.8 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.15 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.9 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Apron is perched
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 7.2 ft.
Wetted Width: 3.3 ft.
Water Velocity: 2.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 65 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5.65 ft.
Slope: 1:2
Downstream
Fill Depth: 6.7 ft.
Slope: Less than 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0054 tons/year
Right Approach
Length: 999 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 1.2234 tons/year
Erosion Information
Total Erosion at Crossing: 1.2287 tons/year
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Queen Anne's Lace, Autumn Olive, Spotted Knapweed