Road Stream Crossing Site RIF_OG103
Rifle River Watershed, Unnamed Creek
Morrison Rd
Mills Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.17788
, -84.10493
T21N
R3E
Sec 29
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 12.1174 tons/year
Severity: Severe
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: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 114 ft.
, Width 11.5 ft.
, Height 7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 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 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 6.7 ft.
Wetted Width: 4.6 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Poor
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7 ft.
Slope: 1:2
Downstream
Fill Depth: 7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 519 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.655
Erosion: 5.6788 tons/year
Right Approach
Length: 570 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.709
Erosion: 6.4386 tons/year
Erosion Information
Total Erosion at Crossing: 12.1174 tons/year
Extent of Erosion: Stabilized
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: riprap installed
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. invasive species
These non-native species were observerd at this site: Phragmites