Road Stream Crossing Site GTBAY_S435
Boardman River Watershed, Swainston Creek
M-113
Paradise Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.58472
, -85.53907
T25N
R10W
Sec 08
Owned by Private
Fish Passability 0.9
Total Erosion: 0.0142 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: Ellipse
Inlet Type: Apron
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 90 ft.
, Width 5 ft.
, Height 3.5 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 1.2 ft.
Water Velocity*: 0.7 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 1.6 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 5 ft.
Wetted Width: 3.7 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: 43 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 6.5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 100 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0071 tons/year
Right Approach
Length: 100 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0071 tons/year
Erosion Information
Total Erosion at Crossing: 0.0142 tons/year
Summary Information
Fish Passability 0.9