Road Stream Crossing Site RIF_OG209
Rifle River Watershed, Tributary
Grand Jean Rd
Rose Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.44006
, -84.11668
T24N
R3E
Sec 30
Fish Passability 0
Perch Height: 1.4 ft.
Total Erosion: 3.0402 tons/year
Severity: Severe
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: Freefall onto Riprap
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 38 ft.
, Width 4.3 ft.
, Height 2.6 ft.
Perch Height: 1.4 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.9 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 10.7 ft.
, Width 9.7 ft.
, Depth 2.6 ft.
Upstream Pond: Length 10.5 ft.
, Width 13 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 9 ft.
Wetted Width: 5.1 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.5 ft.
Slope: 1:2
Downstream
Fill Depth: 1 ft.
Slope: 1:2
Approaches
Left Approach
Length: 325 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.433
Erosion: 2.5651 tons/year
Right Approach
Length: 186 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.422
Erosion: 0.4321 tons/year
Erosion Information
Total Erosion at Crossing: 3.0402 tons/year
Extent of Erosion: Minor
Notes: erosion occurring along sides of inlet and run of coming from road
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream |
1.9 ft. |
1.4 ft. |
4 ft. |
yes |
Sand |
0.0084 |
Right Upstream |
2.2 ft. |
1.1 ft. |
2.8 ft. |
yes |
Sand |
0.0068 |
Left Downstream |
6.5 ft. |
2.2 ft. |
2.7 ft. |
yes |
Sand |
0.0193 |
Right Downstream |
5.2 ft. |
3.2 ft. |
1.5 ft. |
yes |
Sand |
0.0086 |
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
culvert is perced
A future visit to this site is recommended. culvert is in tributary and is perched