Road Stream Crossing Site MAN_WE_046
Big Manistee River Watershed, Slagle Creek
15 1/2 Rd
Boon Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.30762
, -85.67043
T22N
R11W
Sec 17
Owned by Private
Fish Passability 0
Perch Height: 0.4 ft.
Total Erosion: 2.1813 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
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: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Concrete
Structure Substrate: None
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
3.5 ft. |
46 ft. |
3.5 ft. |
Concrete |
2 |
3 ft. |
46 ft. |
3 ft. |
Concrete |
Structure Interior: smooth
Dimensions of Structure: Length 46 ft.
, Width 3.5 ft.
, Height 3.5 ft.
Perch Height: 0.4 ft.
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.3 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 16 ft.
, Width 12 ft.
, Depth 1.3 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 4 ft.
Wetted Width: 4 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.7 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0826 tons/year
Right Approach
Length: 710 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.537
Erosion: 2.0987 tons/year
Erosion Information
Total Erosion at Crossing: 2.1813 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Yes, perched outlet with high velocity.