Road Stream Crossing Site GTBAY_KC037

Boardman River Watershed, Kids Creek
US-31
Garfield Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.7431 , -85.6414
T27N R11W Sec 15
Owned by Local Government
Private
Fish Passability 1
Total Erosion: 0.5426 tons/year
Severity: Minor
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 112 ft. , Width 10 ft. , Height 6.1 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Additional Comments
Structure velocity and depth are similar to riffle velocity and depth. Flagged for length of structure?
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 11.5 ft.
Wetted Width: 9.6 ft.
Water Velocity: 1.3 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 65 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: Vertical
Downstream
Fill Depth: 5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.5372 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0054 tons/year
Erosion Information
Total Erosion at Crossing: 0.5426 tons/year
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Spotted Knapweed, Bull Thistle, Purple Loosestrife, Japanese Beetles