Road Stream Crossing Site RIF_AR9
Rifle River Watershed, Tributary of Mansfield Creek
Maple Ridge Rd
Clayton Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.14165
, -83.98053
T20n
R4E
Sec 10
Fish Passability 0.9
Total Erosion: 0.8567 tons/year
Severity: Moderate
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
Structure Interior: corrugated
Dimensions of Structure: Length 62 ft.
, Width 6.6 ft.
, Height 5.4 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 27 ft.
, Width 13.4 ft.
, Depth 1.2 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 6.5 ft.
Wetted Width: 5.2 ft.
Water Velocity: 0 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4522 tons/year
Right Approach
Length: 909 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.561
Erosion: 0.4045 tons/year
Erosion Information
Total Erosion at Crossing: 0.8567 tons/year
Extent of Erosion: Stabilized
Notes: stabilized, very heavy vegtated
Summary Information
Fish Passability 0.9