Road Stream Crossing Site BEAR_BC040
Bear Creek Watershed, Little Bear Creek
Big Four Rd/Co Rd 602
Springdale Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.43106
, -86.06016
T24N
R14W
Sec 31
Owned by Private
Structure is NOT Perched
Total Erosion: 0.0926 tons/year
Severity: Severe
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: None
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
5.8 ft. |
60 ft. |
3.9 ft. |
Metal |
2 |
5.9 ft. |
60 ft. |
3.8 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 5.8 ft.
, Height 3.9 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.11 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.94 ft.
Bankfull Width: 27.3 ft.
Wetted Width: 20.7 ft.
Water Velocity: 1.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 28 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0463 tons/year
Right Approach
Length: 750 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0463 tons/year
Erosion Information
Total Erosion at Crossing: 0.0926 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.