Road Stream Crossing Site PLT-P-9

Platte River Watershed, South Branch of Platte River
Indian Hill Rd
Platte Twp, Benzie County
Information collected by:
GPS Coordinates: 44.69095 , -86.0313
T27 R14 Sec 32
Adjacent Land Owned by Private
Severity: Moderate
Cost: $156,000.00
Site Location
Upstream Conditions
Downstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Road Width at Culvert: 35 ft.
Road Surface: Paved
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
Comments: Rock vein on right side 5 ft from outlet shifting stream to left.
Left Approach
Length: 200 ft.
Slope: 0%
Vegetation: heavy
Right Approach
Length: 200 ft.
Slope: 0%
Vegetation: heavy
Culvert Information
Length: 70 ft.
Diameter: 3 ft.
Material: concrete
Condition :good
Flow: fish passage problem
Fill Depth: 5 ft.
Embankment Slope: 1.5:1
Fill Depth: 4.5 ft.
Embankment Slope: 1:1
Stream Information
Stream Width: 10 ft.
Stream Depth: 0.9 in.
Stream Current: moderate
Stream Substrate: sand,gravel
Stream Width: 8.5 ft.
Stream Depth: 0.6 in.
Stream Current: moderate
Stream Substrate: sand,gravel
Erosion Information
Is there Streambank erosion beside the crossing? yes
Is there embankment erosion? no
Is there erosion at the culvert outlet? yes
Is there erosion at the shoulder and/or ditch? no
Is there pooling at the outlet? yes
Is there sand over the crossing? no
Extent of Erosion: moderate
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
Comments: Culvert is under sized resulting in erosion and is also perched preventing some aquatic passage
Total Points:0
This page last updated on 2/9/2022.