Road Stream Crossing Site GTBAY_S939
Boardman River Watershed, Boardman River
Shumsky Rd
Blair Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.649868
, -85.586935
T26N
R11W
Sec 13
Owned by State
Private
Private
Fish Passability 0.9
Total Erosion: 0.011 tons/year
Severity: Minor
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 10.8 ft.
, Width 66.5 ft.
, Height 8 ft.
Structure Inlet
Water Depth: 3.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.8 ft./sec.
Structure Outlet
Water Depth: 3.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.8 ft./sec.
*Water Velocities were measured 2.1 ft. below Surface
(with Meter)
Additional Comments
Replaced about 4 years ago
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.5 ft.
Bankfull Width: 60 ft.
Wetted Width: 50 ft.
Water Velocity: 2.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
Private Road
Road Condition: Fair
Road Width at Culvert: 10 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 30 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0041 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0069 tons/year
Erosion Information
Total Erosion at Crossing: 0.011 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Spotted Knapweed, Sweet White Clover