Road Stream Crossing Site RIF_OG107
Rifle River Watershed, Silver Creek
Elbow Lake Rd
Mills Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.22486
, -84.03514
T21N
R3E
Sec 11
Fish Passability 0.9
Structure is NOT Perched
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: Pipe Arch
Inlet Type: Mitered
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 47 ft.
, Width 10.6 ft.
, Height 7.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 30 ft.
, Width 12.2 ft.
, Depth 1.1 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 8.9 ft.
Wetted Width: 7.8 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 18 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.7 ft.
Slope: 1:2
Downstream
Fill Depth: 2 ft.
Slope: 1:2
Length: 390 ft.
Slope: 6% to 10%
Vegetation: Heavy
Vegetation: Heavy
Erosion Information
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: riprap and grass in place
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Upstream |
7.2 ft. |
5.9 ft. |
0.3 ft. |
yes |
Sand |
0.0024 |
Summary Information
Fish Passability 0.9