Road Stream Crossing Site BT_B014
Betsie River Watershed, Unknown (Betsie tributary)
Long Rd
Colfax Twp,
Benzie County
Information collected by:
Site Location
GPS Coordinates: 44.55322
, -85.89825
T25N
R13W
Sec 20
Owned by State
Perch Height: 0.2 ft.
Total Erosion: 3.7686 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Other
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Other
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 24 ft.
, Width 1 ft.
, Height 1 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 76% to 100%
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 26% to 50%
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: More 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: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Gravel
Other Road
(Seasonal)
Road Condition: Poor
Road Width at Culvert: 12 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 1.8843 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 1.8843 tons/year
Erosion Information
Total Erosion at Crossing: 3.7686 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
Protruding, crushed/plugged culvert at roadway surface, likely damaged by plow truck.
A future visit to this site is recommended.
To see if pipe has been replaced.