Road Stream Crossing Site BEAR_BC001
Bear Creek Watershed, Dutchman Creek
Tomasek Rd
Springdale Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.48289
, -85.95894
T24N
R14W
Sec 14
Owned by Private
Structure is NOT Perched
Total Erosion: 3.0288 tons/year
Severity: Moderate
Year Inventoried: 2011
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
5.4 ft. |
35 ft. |
3.7 ft. |
Metal |
2 |
5.4 ft. |
35 ft. |
3.7 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 35 ft.
, Width 5.4 ft.
, Height 3.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.22 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.76 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured 0.46 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 8 ft.
, Width 14 ft.
, Depth 1.9 ft.
Riffle Information
Water Depth: 0.71 ft.
Bankfull Width: 15 ft.
Wetted Width: 13.4 ft.
Water Velocity: 1 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 18 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2023 tons/year
Right Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2023 tons/year
Erosion Information
Total Erosion at Crossing: 3.0288 tons/year
Extent of Erosion: Moderate
Notes:
Left downstream stream-bank close to road, beginning to erode, may washout.
Summary Information
Erosion is an area of concern for this site.