Road Stream Crossing Site CLHW_GCNC-003

Grass Creek-Norwegian Creek Watershed, Unnamed stream
North Point Rd
Alpena, Alpena County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.09638 , -83.33106
T31N R9E Sec 9
Owned by Private
Perch Height: 0.4 ft.
Total Erosion: 0.3015 tons/year
Severity: Minor
Year Inventoried: 2016
Site ID
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: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
2 ft.
32 ft.
2 ft.
Metal
2
2 ft.
32 ft.
2 ft.
Metal
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 32 ft. , Width 2 ft. , Height 2 ft.
Percentage Crushed: Inlet: 1% to 25% Outlet: 0% In Pipe: 1% to 25%
Perch Height: 0.4 ft.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Stream Information
Stream Flow: None
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 16 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.3015 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.3015 tons/year
Summary Information