Road Stream Crossing Site GTBAY_LEE031
West Bay Shoreline & Tributaries Watershed, Leo Creek
Eckerle Rd
Suttons Bay Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 44.96613468
, -85.65356914
T30n
R11W
Sec 33
Owned by Private
Fish Passability 0.5
Total Erosion: 0.3552 tons/year
Severity: Moderate
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: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 40.5 ft.
, Width 3.9 ft.
, Height 4.1 ft.
Structure Inlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
*Water Velocities were measured 1.2 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 14.2 ft.
Wetted Width: 8.4 ft.
Water Velocity: 2.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
Town Road
Road Condition: Good
Road Width at Culvert: 30.9 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.6 ft.
Slope: 1:1
Downstream
Fill Depth: 2.2 ft.
Slope: 1:1
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 502 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.2566 tons/year
Erosion Information
Total Erosion at Crossing: 0.3552 tons/year
Extent of Erosion: Moderate
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) | |
Right Upstream Embankment |
3.2 ft. |
4.5 ft. |
4 ft. |
yes |
Sand |
0.0986 |
Summary Information
Fish Passability 0.5
Erosion is an area of concern for this site.
Due to stormwater runoff and shotty repairs to road
These non-native species were observerd at this site: Spotted Knapweed