Road Stream Crossing Site CLHW_LLM-008
Long Lake-Monaghan Creek Watershed, Monaghan Creek
Bolton Rd
Krakow Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.26192
, -83.59892
T33N
R7E
Sec 16
Owned by Private
Structure is NOT Perched
Total Erosion: 4.8485 tons/year
Severity: Severe
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: 3
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
3.1 ft. |
41 ft. |
2.8 ft. |
Metal |
2 |
3.1 ft. |
41 ft. |
3.1 ft. |
Metal |
3 |
2.5 ft. |
41 ft. |
2.5 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 41 ft.
, Width 3.1 ft.
, Height 3.1 ft.
Structure is NOT Perched
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.
(with Float Test)
Additional Comments
5 culverts present (3 older, 2 newer); Riffle unavailable due to sinking nature of substrate
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 32 ft.
Wetted Width: 16 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Organics
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.2 ft.
Slope: 1:2
Downstream
Fill Depth: 2.6 ft.
Slope: 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.8
Erosion: 4.8485 tons/year
Erosion Information
Total Erosion at Crossing: 4.8485 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.