Road Stream Crossing Site RIF_OG86
Rifle River Watershed, Rifle Creek
M-55
West Branch Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.27734
, -84.20792
T22N
R2E
Sec 29
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.9045 tons/year
Severity: Moderate
Year Inventoried: 2012
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Square/Rectangle
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 73 ft.
, Width 15.6 ft.
, Height 11.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 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: 0.6 ft.
Bankfull Width: 17.6 ft.
Wetted Width: 16.4 ft.
Water Velocity: 1.5 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 10.5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 8 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4522 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4522 tons/year
Erosion Information
Total Erosion at Crossing: 0.9045 tons/year
Extent of Erosion: Stabilized
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: rock and fence in place
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. structure not in very good shape