Road Stream Crossing Site MAN_KA_032
Big Manistee River Watershed, Manistee River
M-66
Garfield Twp,
Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.52385
, -85.17198
T25N
R7W
Sec 33
Owned by Private
Structure is NOT Perched
Total Erosion: 2.486 tons/year
Severity: Moderate
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: Other
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
80 ft. |
50 ft. |
17.5 ft. |
Concrete |
1 |
80 ft. |
50 ft. |
17.5 ft. |
Concrete |
Structure Interior: smooth
Dimensions of Structure: Length 50 ft.
, Width 160 ft.
, Height 17.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.3 ft./sec.
Structure Outlet
Water Depth: 3.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.1 ft./sec.
*Water Velocities were measured 1.6 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 2.5 ft.
Bankfull Width: 170 ft.
Wetted Width: 150 ft.
Water Velocity: 2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 47 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.8
Erosion: 1.243 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.8
Erosion: 1.243 tons/year
Erosion Information
Total Erosion at Crossing: 2.486 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
No, major highway bridge.