Road Stream Crossing Site RIF_AR109

Rifle River Watershed, Townline Creek
Bourgeouis
Clayton Twp, Arenac County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.11295 , -83.94862
T20N R4E Sec 23
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 6.6181 tons/year
Severity: Severe
Year Inventoried: 2012
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: Rock
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 39 ft. , Width 3.4 ft. , Height 3.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.4 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: 0.1 ft.
Bankfull Width: 2.8 ft.
Wetted Width: 1.6 ft.
Water Velocity: 15 ft./sec. (Measured with Float Test)
Dominant Substrate: Clay
Road Information
Gravel County Road
Road Condition: Poor
Road Width at Culvert: 11 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: Vertical
Downstream
Fill Depth: 6 ft.
Approaches
Left Approach
Length: 363 ft.
Slope: 6% to 10%
Vegetation: Partial
LS Factor: 1.934
Erosion: 2.1272 tons/year
Right Approach
Length: 600 ft.
Slope: 6% to 10%
Vegetation: Partial
LS Factor: 2.47
Erosion: 4.4909 tons/year
Erosion Information
Total Erosion at Crossing: 6.6181 tons/year
Extent of Erosion: Moderate
Notes: upstream all sides, and downstream all sides
Summary Information
Fish Passability 0.5