Road Stream Crossing Site RIF_OG62

Rifle River Watershed, Campnell Creek
W State Rd
West Branch Twp, Ogemaw County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.30978 , -84.15446
T22N R2E Sec 11
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.8668 tons/year
Severity: Moderate
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
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 59 ft. , Width 3.9 ft. , Height 4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 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: 3.1 ft.
Wetted Width: 2.4 ft.
Water Velocity: 1 ft./sec. (Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.4 ft.
Slope: 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: 0.4334 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4334 tons/year
Erosion Information
Total Erosion at Crossing: 0.8668 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: erosion on top of downstream pipe
Summary Information
Fish Passability 1