Road Stream Crossing Site RIF_AR118
Rifle River Watershed, Saverine Creek
Conrad
Arenac Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.02604
, -83.90482
T19N
R5E
Sec 29
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.4132 tons/year
Severity: Minor
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 20 ft.
, Width 26 ft.
, Height 6.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Water Velocity*: 1.5 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: 0.4 ft.
Bankfull Width: 12.8 ft.
Wetted Width: 10.2 ft.
Water Velocity: 1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 15 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2066 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2066 tons/year
Erosion Information
Total Erosion at Crossing: 0.4132 tons/year
Extent of Erosion: Stabilized
Notes: heavy vegatation
Summary Information
Fish Passability 1