Road Stream Crossing Site LTB-074

Little Traverse Bay Watershed, Unknown tributary
Marina Dr?
Petoskey, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.3789101 , -84.95335465
Fish Passability 0
Perch Height: 3 ft.
Total Erosion: 0 tons/year
Severity: Severe
Year Inventoried: 2014
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: Cascade over Riprap
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 140 ft. , Width 2.6 ft. , Height 2.6 ft.
Perch Height: 3 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.6 ft.
Water Velocity*: 0.67 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.167 ft.
Water Velocity*: 0.31 ft./sec.
*Water Velocities were measured 0.18 ft. below Surface (with Meter)
Additional Comments
Old site ID: UT-26.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 10 ft. , Width 5 ft. , Depth 0.3 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 10 ft.
Wetted Width: 0.28 ft.
Water Velocity: 0.3 ft./sec. (Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved Town Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3 ft.
Slope: 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Reed Canary Grass, Purple Loosestrife