Road Stream Crossing Site PLT-I-1

Platte River Watershed, Platte River
Lake Ann Rd
Inland Twp, Benzie County
Information collected by:
GPS Coordinates: 44.68663 , -85.83789
T26 R13 Sec 1
Adjacent Land Owned by Private
Severity: Moderate
Cost: $150,000.00
Site Location
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Road Width at Culvert: 32 ft.
Road Surface: Paved
Maintenance: year around
Low Point: Other
Existing Drainage Control? yes
Any Failings? no
Type of Crossing: culvert(s) (single culvert)
Is this crossing constricted? no
Are there adjacent wetlands? yes
Comments: Outlet section of culvert has been replaced with a galvanized section. The fallen failed concrete s
Left Approach
Length: 250 ft.
Slope: 6-10%
Vegetation: heavy
Right Approach
Length: 300 ft.
Slope: 1-5%
Vegetation: heavy
Culvert Information
Length: 60 ft.
Diameter: 3.5 ft.
Material: concrete
Condition :fair
Flow: clear
Fill Depth: 20 ft.
Embankment Slope: vertical
Fill Depth: 20 ft.
Embankment Slope: 1:1
Stream Information
Stream Width: 20 ft.
Stream Depth: 0.6 in.
Stream Current: slow
Stream Substrate: sand,gravel
Stream Width: 9 ft.
Stream Depth: 0.4 in.
Stream Current: moderate
Stream Substrate: gravel
Erosion Information
Is there Streambank erosion beside the crossing? no
Is there embankment erosion? no
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? 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: Remove embedded culvert section
Comments: The stream is confined and the culvert has already begun to structural fail.
Total Points:0
This page last updated on 2/9/2022.