Road Stream Crossing Site RIF_OG108

Rifle River Watershed, Silver Creek
Mills Rd
Mills Twp, Ogemaw County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.21962 , -84.04012
T21N R3E Sec 14
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 84 ft. , Width 5.8 ft. , Height 3.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.6 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 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 75 ft. , Width 40 ft. , Depth 2.5 ft.
Upstream Pond: Length 15 ft. , Width 20 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 16.2 ft.
Wetted Width: 9.4 ft.
Water Velocity: 0.7 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 9 ft.
Slope: 1:2
Downstream
Fill Depth: 9 ft.
Slope: 1:2
Slope: 1% to 5%
Vegetation: Heavy
Vegetation: Heavy
Erosion Information
Extent of Erosion: Minor
Notes: erosion is on downstream top of pipe
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. culvert is in bad shape