Road Stream Crossing Site RIF_OG243
Rifle River Watershed, Ammond Creek
E. Ogemaw Center Rd
Cumming Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.34932
, -84.12335
T23N
R3E
Sec 31
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 3.0643 tons/year
Severity: Severe
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
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 32 ft.
, Width 4 ft.
, Height 4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 21 ft.
, Width 10.1 ft.
, Depth 2 ft.
Upstream Pond: Length 4.2 ft.
, Width 8.2 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 3.8 ft.
Wetted Width: 2.4 ft.
Water Velocity: 0.2 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 14 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: Vertical
Downstream
Fill Depth: 3 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 744 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.542
Erosion: 1.5541 tons/year
Right Approach
Length: 591 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.518
Erosion: 1.1812 tons/year
Erosion Information
Total Erosion at Crossing: 3.0643 tons/year
Extent of Erosion: Severe
Notes: erosion on upstream side is starting to undercut road
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Upstream |
3.4 ft. |
2.8 ft. |
2.1 ft. |
yes |
Sand |
0.1571 |
Left Upstream |
3.4 ft. |
2.3 ft. |
2.3 ft. |
yes |
Sand |
0.172 |
Summary Information
Fish Passability 0.5
Erosion is an area of concern for this site.
undercutting road
A future visit to this site is recommended. erosion