Road Stream Crossing Site MAN_KA_021
Big Manistee River Watershed, Black Creek
Riverview Rd
Bear Lake Twp,
Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.64888
, -84.94753
T26N
R5W
Sec 17
Owned by State
Structure is NOT Perched
Total Erosion: 2.1168 tons/year
Severity: Moderate
Year Inventoried: 2014
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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
7 ft. |
53 ft. |
5 ft. |
|
Structure Interior: corrugated
Dimensions of Structure: Length 53 ft.
, Width 7 ft.
, Height 5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Additional Comments
Mitered style cut on outlet.
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 50 ft.
, Width 40 ft.
, Depth 2.4 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.9 ft.
Bankfull Width: 12 ft.
Wetted Width: 10 ft.
Water Velocity: 2 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
Other Road
(Seasonal)
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 350 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.575
Erosion: 0.8871 tons/year
Right Approach
Length: 450 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.62
Erosion: 1.2298 tons/year
Erosion Information
Total Erosion at Crossing: 2.1168 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
No, fairly new.