Road Stream Crossing Site MAN_WE_054
Big Manistee River Watershed, Unknown (tributary to Manistee River)
10 1/2 Rd
Hanover Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.44636
, -85.65562
T24N
R11W
Sec 28
Owned by Private
Fish Passability 0
Perch Height: 1.3 ft.
Total Erosion: 3.1457 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Other
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 18 ft.
, Width 1.6 ft.
, Height 1.6 ft.
Percentage Plugged:
Inlet: 1% to 25%
Outlet: 0%
In Pipe: 0%
Perch Height: 1.3 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
Structure Outlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 6.4 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 14 ft.
, Width 12 ft.
, Depth 3 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 8 ft.
Wetted Width: 6.6 ft.
Water Velocity: 1.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 9 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.3 ft.
Slope: Vertical
Downstream
Fill Depth: 3.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 205 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0254 tons/year
Right Approach
Length: 75 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0093 tons/year
Erosion Information
Total Erosion at Crossing: 3.1457 tons/year
Extent of Erosion: Severe
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Streambank |
35 ft. |
1.5 ft. |
2.5 ft. |
yes |
Sand |
1.925 |
Left Upstream Embankment |
3 ft. |
0.5 ft. |
3 ft. |
yes |
Silt |
0.153 |
Right Upstream Embankment |
3 ft. |
0.5 ft. |
3 ft. |
yes |
Silt |
0.153 |
Right Downstream Embankment |
10 ft. |
3 ft. |
4 ft. |
yes |
Sand |
0.88 |
Summary Information
Fish Passability 0