Road Stream Crossing Site GTBAY_S743
Boardman River Watershed, Swainston Creek
M-113
Paradise Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.584584
, -85.550723
T25N
R10W
Sec 08
Owned by Private
Fish Passability 0
Total Erosion: 0.3696 tons/year
Severity: Severe
Year Inventoried: 2020
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Plastic
Structure Substrate: Sand
General Conditions: Poor
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
2 ft. |
90 ft. |
2 ft. |
Plastic |
2 |
2 ft. |
90 ft. |
2 ft. |
Plastic |
Structure Interior: smooth
Dimensions of Structure: Length 90 ft.
, Width 2 ft.
, Height 2 ft.
Percentage Plugged:
Inlet: 76% to 100%
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.7 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 1.2 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Water depth and velocity measurements recorded for culvert #2
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 20 ft.
Wetted Width: 6 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 43 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.3554 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0142 tons/year
Erosion Information
Total Erosion at Crossing: 0.3696 tons/year
Summary Information
Fish Passability 0