Road Stream Crossing Site CLHW_TR-010

Trout/Swan/Little Trout Watershed, Unnamed Stream
Grossman Rd
Belknap Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.36145 , -83.8853
T34N R5E Sec 6
Owned by Private
Fish Passability 0
Perch Height: 0.6 ft.
Total Erosion: 14.4661 tons/year
Severity: Severe
Year Inventoried: 2016
Site ID
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: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 64 ft. , Width 2.5 ft. , Height 2.5 ft.
Percentage Plugged: Inlet: 1% to 25% Outlet: 0% In Pipe: 0%
Perch Height: 0.6 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Additional Comments
Stream has too many blockages to record a riffle
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 24 ft. , Width 12 ft. , Depth 1.3 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 13.5537 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.9124 tons/year
Erosion Information
Total Erosion at Crossing: 14.4661 tons/year
Summary Information
Fish Passability 0