Road Stream Crossing Site MAN_WE_002
Big Manistee River Watershed, Peterson Creek
7 Rd
South Branch Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.23993
, -85.76016
T21N
R12W
Sec 9
Owned by Federal
Structure is NOT Perched
Total Erosion: 0.4472 tons/year
Severity: Minor
Year Inventoried: 2014
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: Sand
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft.
, Width 1.5 ft.
, Height 0.6 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 51% to 75%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.9 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 2 ft.
Wetted Width: 1.4 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 100 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.38
Erosion: 0.1675 tons/year
Right Approach
Length: 100 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.38
Erosion: 0.1675 tons/year
Erosion Information
Total Erosion at Crossing: 0.4472 tons/year
Extent of Erosion: Minor
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
17 ft. |
6 ft. |
6 ft. |
yes |
Sand |
0.1122 |
Summary Information
Erosion is an area of concern for this site.







