Road Stream Crossing Site CHAR_MA08
Lake Charlevoix Watershed, Adams Creek
Dvoracek Rd
Marion Twp,
Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.24959
, -85.23999
T33N
R08W
Sec 13
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 6.3519 tons/year
Severity: Severe
Year Inventoried: 2011
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: Gravel
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 17 ft.
, Width 1.5 ft.
, Height 1.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.78 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.81 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured 0.47 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.58 ft.
Bankfull Width: 6.6 ft.
Wetted Width: 5.4 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
(Seasonal)
Road Condition: Good
Road Width at Culvert: 15 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: Vertical
Downstream
Fill Depth: 4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 99 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.379
Erosion: 0.1551 tons/year
Right Approach
Length: 789 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.901
Erosion: 6.1967 tons/year
Erosion Information
Total Erosion at Crossing: 6.3519 tons/year
Extent of Erosion: Minor
Notes: Embankments are slumping over the inlet and outlet
Summary Information
Fish Passability 0.9