Road Stream Crossing Site RIF_OG89

Rifle River Watershed, Ogemaw Creek
Houghton, M-55
West Branch Twp, Ogemaw County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.27616 , -84.23619
T22N R2E Sec 30
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.6478 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: Open Bottom 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 76 ft. , Width 14.2 ft. , Height 7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.1 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 1.9 ft.
Water Velocity*: 0.5 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: 0.9 ft.
Bankfull Width: 23 ft.
Wetted Width: 21 ft.
Water Velocity: 1.2 ft./sec. (Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Paved Town Road
Road Condition: Poor
Road Width at Culvert: 40 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Slope: Vertical
Fill Depth: 7 ft.
Slope: Vertical
Approaches
Left Approach
Length: 630 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.691
Erosion: 0.5752 tons/year
Right Approach
Length: 915 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.06
Erosion: 0.0726 tons/year
Erosion Information
Total Erosion at Crossing: 0.6478 tons/year
Extent of Erosion: Severe
Notes: downstream side on both sides of the pipes
Summary Information
Fish Passability 1
Erosion is an area of concern for this site. erosion on stream is horable
A future visit to this site is recommended. erosion