Road Stream Crossing Site GTBAY_LEE039

West Bay Shoreline & Tributaries Watershed, Unnamed
Lincoln Rd
Suttons Bay Twp, Leelanau County
Information collected by:
Site Location
GPS Coordinates: 44.9781431 , -85.65311593
T30N R11W Sec 28
Owned by Private
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 0.0959 tons/year
Severity: Severe
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 59.8 ft. , Width 1.3 ft. , Height 1.3 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 3.7 ft. , Width 5.1 ft. , Depth 0.4 ft.
Riffle Information
Water Depth: 0.1 ft.
Bankfull Width: 5.2 ft.
Wetted Width: 4.9 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved Town Road
Road Condition: Fair
Road Width at Culvert: 22.1 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.5 ft.
Slope: 1:2
Downstream
Fill Depth: 2.7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 250 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.52
Erosion: 0.095 tons/year
Right Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0009 tons/year
Erosion Information
Total Erosion at Crossing: 0.0959 tons/year
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Burdock