Road Stream Crossing Site LTB-063

Little Traverse Bay Watershed, Unknown tributary
Fern
Harbor Springs, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.42714632 , -84.94985285
Fish Passability 0.5
Total Erosion: 0 tons/year
Severity: Moderate
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Other
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: Mixture
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 24.42 ft. , Width 1.5 ft. , Height 1.5 ft.
Percentage Plugged: Inlet: 51% to 75% Outlet: 26% to 50%
Percentage Crushed: Inlet: 1% to 25%
Structure Inlet
Water Depth: 0.15 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.03 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.42 ft.
Water Velocity*: 0.01 ft./sec.
*Water Velocities were measured 0.09 ft. below Surface (with Meter)
Additional Comments
Old site ID: LTB-6.
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 4 ft.
Wetted Width: 2 ft.
Water Velocity: 0.06 ft./sec. (Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Partial
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 0.5
Fish Passage is an area of concern for this site. shallow
A future visit to this site is recommended. plugged!