Road Stream Crossing Site CHAR_MA05

Lake Charlevoix Watershed, Adams Lake tributary
Pops Rd
Marion Twp, Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.26725 , -85.24057
T33N R08W Sec 11
Owned by Private
Structure is NOT Perched
Total Erosion: 1.8253 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Poor
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
2.5 ft.
70 ft.
2.5 ft.
Metal
2
2.5 ft.
70 ft.
2.5 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft. , Width 2.5 ft. , Height 2.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 2.5 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured 1.5 ft. below Surface (with Meter)
Additional Comments
Seasonal stream/wetland. Riffle information could not be colected due to upstream and downstream having marsh conditions
Stream Information
Stream Flow: More than Bankfull
Scour Pool: Length 15 ft. , Width 15 ft. , Depth 3 ft.
Upstream Pond: Length 150 ft. , Width 70 ft.
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 9.5 ft.
Slope: Vertical
Downstream
Fill Depth: 9.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.6942 tons/year
Right Approach
Length: 339 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.468
Erosion: 0.1311 tons/year
Erosion Information
Total Erosion at Crossing: 1.8253 tons/year
Summary Information