Road Stream Crossing Site GTBAY_LEE105
West Bay Shoreline & Tributaries Watershed, Ennis Creek
Across from Lee Mann Rd
Suttons Bay Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 45.09594387
, -85.60390754
T31N
R11W
Sec 14
Owned by Private
Severity: Minor
Year Inventoried: 2020
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 30.9 ft.
, Width 1.2 ft.
, Height 1.3 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Bank owned development
Stream Information
Stream Flow: Less than 1/2 Bankfull
Road Information
Sand
Private Road
Road Condition: Fair
Road Width at Culvert: 7.2 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.6 ft.
Slope: 1:1
Downstream
Fill Depth: 4.1 ft.
Slope: 1:1
Length: 59.4 ft.
Slope: 1% to 5%
Length: 135.3 ft.
Slope: 1% to 5%
Erosion Information
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
4.5 ft. |
3.4 ft. |
4.2 ft. |
yes |
Sandy Loam |
0.0181 |
Left Upstream Embankment |
3.8 ft. |
3.9 ft. |
4.4 ft. |
yes |
Sand |
0.0184 |
Right Upstream Streambank |
3.9 ft. |
4.3 ft. |
3.6 ft. |
yes |
Sand |
0.0154 |
Summary Information
Erosion is an area of concern for this site.