Road Stream Crossing Site GTBAY_MCT036

Mitchell Creek Watershed, Unnamed Tributary to Mitchell Creek
Hammond Rd
Garfield Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.715261 , -85.60168
T27N R11W Sec 23
Owned by Private
Fish Passability 0
Total Erosion: 1.354 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: Round
Inlet Type: Other
Outlet Type: Other
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 155 ft. , Width 2 ft. , Height 2 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 1.2 ft.
Water Velocity*: 0.1 ft./sec.
Additional Comments
Inlet had verticle metal pipe over it. Outlet is buried with verticle flow. Change passability to 0. Stand pipe at inlet only alowing partial flow. Change severity to severe. Current passabililty .9
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 8 ft.
Wetted Width: 2.5 ft.
Water Velocity: 0.4 ft./sec. (Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 64 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 8 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 9 ft.
Slope: Less than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.677 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.677 tons/year
Erosion Information
Total Erosion at Crossing: 1.354 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. No fish passage possible upstream
These non-native species were observerd at this site: Spotted Knapweed, Autumn Olive