Road Stream Crossing Site PLT-B-5

Platte River Watershed, Unnamed Tributary to Little Platte Lake
South Birch Dr
Benzonia Twp, Benzie County
Information collected by:
GPS Coordinates: 44.68821 , -86.11656
T26 R15 Sec 3
Adjacent Land Owned by Private
Severity: Moderate
Cost: $88,000.00
Site Location
 
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Road Width at Culvert: 10 ft.
Road Surface: Gravel
Maintenance: year around
Low Point: At Stream
Existing Drainage Control? no
Any Failings? no
Type of Crossing: culvert(s) (single culvert)
Is this crossing constricted? no
Are there adjacent wetlands? yes
Approaches
Left Approach
Length: 350 ft.
Slope: 0%
Vegetation: partial
Right Approach
Length: 400 ft.
Slope: 0%
Vegetation: partial
Culvert Information
Length: 22 ft.
Diameter: 2 ft.
Material: galvanized
Condition :fair
Flow: clear
Embankments
Upstream
Fill Depth: 3.79999995231628 ft.
Embankment Slope: 1:1
Downstream
Fill Depth: 3.79999995231628 ft.
Embankment Slope: vertical
Stream Information
Upstream
Stream Width: 7 ft.
Stream Depth: 0.7 in.
Stream Current: slow
Stream Substrate: muck
Downstream
Stream Width: 7 ft.
Stream Depth: 0.3 in.
Stream Current: slow
Stream Substrate: gravel
Erosion Information
Conditions
Is there Streambank erosion beside the crossing? yes
Is there embankment erosion? yes
Is there erosion at the culvert outlet? no
Is there erosion at the shoulder and/or ditch? no
Is there pooling at the outlet? no
Is there sand over the crossing? no
 
Extent of Erosion: minor
Recommended Treatments
Action Recommended? no
Add pavement? yes
Pave Left Approach: 0 Lineal Feet
Pave Right Approach: 0 Lineal Feet
Add paved raised edge? no
Number of erosion control structures: 0
Number of sediment basins: 0
Number of diversion outlets: 0
Increase fill? no
Replace culvert(s)? yes
Extend culvert(s)? no
Lineal feet to extend: 0
Comments: Culvert is showing signs of aging and constricting stream flow.
 
Total Points:0
Severity:Moderate
This page last updated on 2/9/2022.