Road Stream Crossing Site RIF_OG270
Rifle River Watershed, Ogemaw Creek
Valley
West Branch Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.27311
, -84.23063
T22N
R2E
Sec 30
Fish Passability 0.5
Total Erosion: 0.5375 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: 2
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
12.6 ft. |
82 ft. |
4.6 ft. |
Concrete |
Structure Interior: smooth
Dimensions of Structure: Length 82 ft.
, Width 12.7 ft.
, Height 5.5 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.7 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: 0.4 ft.
Bankfull Width: 24 ft.
Wetted Width: 21 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Paved
Town Road
Road Condition: Good
Road Width at Culvert: 32 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 606 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.682
Erosion: 0.4373 tons/year
Right Approach
Length: 198 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.478
Erosion: 0.1002 tons/year
Erosion Information
Total Erosion at Crossing: 0.5375 tons/year
Extent of Erosion: Stabilized
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: rip rap
Summary Information
Fish Passability 0.5