Road Stream Crossing Site CLHW_LLM-001
Long Lake-Monaghan Creek Watershed, Long Lake Creek
Anderson Dr
Alpena,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 45.15963
, -83.39211
T32N
R9E
Sec 19
Owned by Private
Structure is NOT Perched
Total Erosion: 6.9091 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: Poor
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
5 ft. |
24 ft. |
5 ft. |
Metal |
2 |
5 ft. |
24 ft. |
5 ft. |
Metal |
3 |
5 ft. |
24 ft. |
5 ft. |
Metal |
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 24 ft.
, Width 5 ft.
, Height 5 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 26% to 50%
Percentage Crushed:
Inlet: 26% to 50%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Additional Comments
Beaver Activity present; Riffle unavailable due to large nature of water body
Stream Information
Stream Flow: Less than 1/2 Bankfull
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.4 ft.
Slope: Vertical
Downstream
Fill Depth: 1.4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.4545 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.4545 tons/year
Erosion Information
Total Erosion at Crossing: 6.9091 tons/year
Summary Information
Fish Passage is an area of concern for this site.
Yes because crossing is beginning to collapse; may need replacement in very near future
A future visit to this site is recommended. To check on the status of crossing