Road Stream Crossing Site GTBAY_S816

Boardman River Watershed, Kids Creek
Creekside Dr - private drive
Garfield Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.733325 , -85.65285
T27N R11W Sec 15
Fish Passability 0.9
Total Erosion: 0.7748 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)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft. , Width 2.5 ft. , Height 2.5 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Additional Comments
Change Structure substrate to gravel/sand. Passability score .5 due to structure length and above mentioned mistake for input. Change passability to .9 for bankful to structure width ratio and change severity to minor.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.1 ft.
Bankfull Width: 6.2 ft.
Wetted Width: 4.2 ft.
Water Velocity: 0.6 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Native Surface Town Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5 ft.
Slope: 1:2
Downstream
Fill Depth: 6 ft.
Slope: 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0172 tons/year
Right Approach
Length: 250 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.44
Erosion: 0.7576 tons/year
Erosion Information
Total Erosion at Crossing: 0.7748 tons/year
Summary Information
Fish Passability 0.9