Road Stream Crossing Site GTBAY_MCT039
Mitchell Creek Watershed, Unnamed Tributary to Mitchell Creek
Private Drive of Buttermilk Loop
East Bay Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.73085
, -85.55887
T27N
R10W
Sec 18
Owned by Private
Fish Passability 0.9
Total Erosion: 0.007 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: 4
Structure Shape: Round
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
1 ft. |
52 ft. |
1 ft. |
Metal |
3 |
1 ft. |
52 ft. |
1 ft. |
Metal |
4 |
1 ft. |
52 ft. |
1 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 52 ft.
, Width 1 ft.
, Height 1 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface
(with Meter)
Additional Comments
Depth and velocity measurements recorded for culvert #1
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 8 ft.
Wetted Width: 3.6 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
Private Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.6 ft.
Slope: 1:2
Downstream
Fill Depth: 3.6 ft.
Slope: Less than 1:2
Approaches
Left Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.001 tons/year
Right Approach
Length: 30 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.264
Erosion: 0.006 tons/year
Erosion Information
Total Erosion at Crossing: 0.007 tons/year
Summary Information
Fish Passability 0.9