Road Stream Crossing Site GTBAY_MCT015
Mitchell Creek Watershed, Unnamed Tributary to Mitchell Creek
Hammond Rd
Garfield Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.71527211
, -85.57832127
T27N
R11W
Sec 24
Owned by Private
Fish Passability 0
Total Erosion: 1.6306 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: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 114.5 ft.
, Width 4.7 ft.
, Height 3.5 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 1.1 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 18.5 ft.
Wetted Width: 8.4 ft.
Water Velocity: 2.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 65 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 8.4 ft.
Slope: 1:1
Downstream
Fill Depth: 13.1 ft.
Slope: 1:1
Approaches
Left Approach
Length: 549 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.51
Erosion: 0.6014 tons/year
Right Approach
Length: 861.3 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.556
Erosion: 1.0292 tons/year
Erosion Information
Total Erosion at Crossing: 1.6306 tons/year
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Queen Anne's Lace, Thistle