Road Stream Crossing Site PLT-A-3
Platte River Watershed, Platte River
Birchview Trail
Almira Twp,
Benzie County
Information collected by:
GPS Coordinates: 44.70874
, -85.85485
T27
R13
Sec 26
Adjacent Land Owned by Private
Severity: Moderate
Cost: $250,000.00
Site Location
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Road Width at Culvert: 24 ft.
Road Surface: Paved
Maintenance: year around
Low Point: At Stream
Existing Drainage Control? no
Any Failings? no
Type of Crossing: culvert(s)
(quad culvert)
Is this crossing constricted? no
Are there adjacent wetlands? yes
Comments: Fire Department hydrant at outlet
Approaches
Left Approach
Length: 200 ft.
Slope: 1-5%
Vegetation: partial
Right Approach
Length: 100 ft.
Slope: 0%
Vegetation: heavy
Culvert Information
Length: 35 ft.
Diameter: 4 ft.
Material: galvanized
Condition :good
Flow: clear
Embankments
Upstream
Fill Depth: 6.5 ft.
Embankment Slope: 1:1
Downstream
Fill Depth: 6 ft.
Embankment Slope: 1:1
Stream Information
Upstream
Stream Width: 40 ft.
Stream Depth: 1.5 in.
Stream Current: slow
Stream Substrate: sand,gravel
Downstream
Stream Width: 30 ft.
Stream Depth: 1 in.
Stream Current: moderate
Stream Substrate: sand,gravel
Erosion Information
Conditions
Is there Streambank erosion beside the crossing? no
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
Cause of Erosion: Gravel and Sand over wash from road
Recommended Treatments
Action Recommended? no
Add pavement? no
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
Other Treatments: vegetate; replace with timber bridge
Comments: undersized culvert structure
Total Points:0
Severity:Moderate
This page last updated on 2/9/2022.