Road Stream Crossing Site BEAR_BC034
Bear Creek Watershed, Big Bear Creek
13 Mile Rd/Co Rd 600
Springdale Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.42852
, -86.04489
T24N
R14W
Sec 31
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.0793 tons/year
Severity: Minor
Year Inventoried: 2011
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 24 ft.
, Width 25 ft.
, Height 12 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.24 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 3.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.4 ft./sec.
*Water Velocities were measured 1.95 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 56 ft.
Wetted Width: 51.5 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: 24 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0397 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0397 tons/year
Erosion Information
Total Erosion at Crossing: 0.0793 tons/year
Summary Information
Fish Passability 0.9