Road Stream Crossing Site CLHW_TR-005

Trout/Swan/Little Trout Watershed, Unnamed Stream
E Heythaler Hwy
Rogers Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.37328 , -83.8736
T35N R5E Sec 31
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 1.5789 tons/year
Severity: Moderate
Year Inventoried: 2016
Site ID
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Multiple Culverts/Spans
7 ft.
60 ft.
4.8 ft.
4.5 ft.
60 ft.
3 ft.
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 60 ft. , Width 7 ft. , Height 4.8 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 1.7 ft.
Bankfull Width: 21 ft.
Wetted Width: 13 ft.
Water Velocity: 0.3 ft./sec. (Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 4 ft.
Slope: More than 1:2
Fill Depth: 3 ft.
Slope: More than 1:2
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.4909 tons/year
Right Approach
Length: 270 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.448
Erosion: 0.088 tons/year
Erosion Information
Total Erosion at Crossing: 1.5789 tons/year
Summary Information
Fish Passability 0.5