Road Stream Crossing Site GTBAY_S947
Boardman River Watershed, Shumsky Creek
W River Rd
Blair Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.6564
, -85.5906
T26N
R11W
Sec 13
Owned by Private
Fish Passability 0.9
Total Erosion: 0.1686 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: Round
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 88 ft.
, Width 2 ft.
, Height 2 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 12 ft.
, Width 7 ft.
, Depth 1.5 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 6 ft.
Wetted Width: 2 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 100 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.005 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.55
Erosion: 0.1636 tons/year
Erosion Information
Total Erosion at Crossing: 0.1686 tons/year
Summary Information
Fish Passability 0.9