Road Stream Crossing Site MAN_KA_015
Big Manistee River Watershed, Manistee River
Sunset Trail
Oliver Twp,
Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.61486
, -84.99153
T26N
R6W
Sec 25
Owned by State
Structure is NOT Perched
Total Erosion: 0.0553 tons/year
Severity: Minor
Year Inventoried: 2014
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
78 ft. |
31 ft. |
7 ft. |
Concrete |
1 |
78 ft. |
31 ft. |
7 ft. |
Concrete |
Structure Interior: smooth
Dimensions of Structure: Length 31 ft.
, Width 156 ft.
, Height 7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.8 ft./sec.
Structure Outlet
Water Depth: 4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
*Water Velocities were measured 2.2 ft. below Surface
(with Meter)
Additional Comments
CCC Bridge, 2 spans indicated below.
Stream Information
Stream Flow: 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 ft.
Bankfull Width: 60 ft.
Wetted Width: 50 ft.
Water Velocity: 1.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 31 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: 360 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0184 tons/year
Right Approach
Length: 600 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.06
Erosion: 0.0369 tons/year
Erosion Information
Total Erosion at Crossing: 0.0553 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.