Road Stream Crossing Site BEAR_BC096
Bear Creek Watershed, Bear Creek
Coates Hwy
Dickson Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.31401
, -86.04831
T22N
R14W
Sec 7
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 1.5225 tons/year
Severity: Moderate
Year Inventoried: 2011
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 40 ft.
, Width 40 ft.
, Height 12 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3 ft./sec.
Structure Outlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.2 ft./sec.
*Water Velocities were measured 1.02 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.4 ft.
Bankfull Width: 45.1 ft.
Wetted Width: 43.7 ft.
Water Velocity: 2.1 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: Ditch
Fill Depth: 0 ft.
Slope: 1:1
Fill Depth: 0 ft.
Slope: 1:1
Approaches
Left Approach
Length: 828 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.553
Erosion: 0.3631 tons/year
Right Approach
Length: 774 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.888
Erosion: 1.1593 tons/year
Erosion Information
Total Erosion at Crossing: 1.5225 tons/year
Summary Information
Fish Passability 0.5