Road Stream Crossing Site RIF_OG70
Rifle River Watershed, Peach Lake Creek
Gallagher Rd
West Branch Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.26258
, -84.13076
T22N
R2E
Sec 25
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 1.6863 tons/year
Severity: Severe
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 53 ft.
, Width 4.8 ft.
, Height 5.2 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 40 ft.
, Width 50 ft.
, Depth 2 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 5.9 ft.
Wetted Width: 4.8 ft.
Water Velocity: 1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
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: 2.8 ft.
Slope: 1:2
Downstream
Fill Depth: 3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 189 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.423
Erosion: 0.3086 tons/year
Right Approach
Length: 390 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.478
Erosion: 0.719 tons/year
Erosion Information
Total Erosion at Crossing: 1.6863 tons/year
Extent of Erosion: Severe
Notes: in the downstream scour pool erosioin is severe
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downstream |
8.7 ft. |
4.4 ft. |
3.2 ft. |
yes |
Sand |
0.6125 |
Left Downstream |
4.2 ft. |
15 ft. |
0.5 ft. |
yes |
Sand |
0.0462 |
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
and erosion
A future visit to this site is recommended. both fish passage and erosion