Chapter 4 Culvert Inventory and Inspection in Ohio

1
Chapter 4 Culvert Inventory and Inspection in
Ohio

• Culvert Management Manual
• Published in 2003
• Objective to provide a tool for the inventory,
  periodic inspection, and maintenance of culverts,
  and structures with less than a 10 foot span
• Culvert Inventory Form (CR-87)
• Culvert Inspection Form (CR-86)

2
Culvert Inventory Form (CR-87)

• Used to
• add a newly constructed culvert to the database
• to remove a retiring culvert from the database
• to modify the information on the base whenever
  changes have been made to the existing culvert.

3
Culvert Inventory Form (CR-87) (Contd)

• Culvert File Number
• 9-digit unique number
• changes only if the culvert is replaced
• County number (3 digits)
• Route (3 digits)
• Culvert Number (4 digits)

4
Culvert Inventory Form (CR-87) (Contd)

• Entry Class

5
Culvert Inventory Form (CR-87) (Contd)

• Location and Route Information
• District (2 digit district code)
• County (3 letter county abbreviation)
• Route (Route Number)
• Straight Line Mileage (4 characters)
• Latitude (XX degrees XX minutes XX.XX seconds)

6
Culvert Inventory Form (CR-87) (Contd)

• Location and Route Information
• Longitude (XX degrees XX minutes XX.XX seconds)
• Road ID

7
Culvert Inventory Form (CR-87) (Contd)

• Location and Route Information
• Maintenance Responsibility
• Feature Intersection

8
Culvert Inventory Form (CR-87) (Contd)

• Culvert
• Year Built
• Number of Cells
• Shape
• Material

• Span
• Rise
• Length
• Gage / Wall Thickness
• Type of Protection

9
Culvert Inventory Form (CR-87) (Contd)

• Culvert
• Slope of Pipe
• Skew
• Inlet End Treatment
• Outlet End Treatment

• Max height of cover
• Modification type
• Year Modified
• Modification Material
• Modification Size

10
Culvert Inventory Form (CR-87) (Contd)

• Extension Inlet / Outlet
• Year Extended
• Shape
• Material
• Span

• Rise
• Gage / Wall Thickness
• Extension Length

11
Culvert Inventory Form (CR-87) (Contd)

• Hydrology / Hydraulics
• Drainage Area
• Design Discharge
• Abrasive Conditions
• pH
• Channel Protection (inlet / outlet)

12
Culvert Inspection Form(CR-86)

• Used to
• to verify the condition of the culverts
• to make decisions on the necessary maintenance,
  repair or rehabilitation works

13
Culvert Inspection Form(CR-86) (Contd)

• Culvert
• Channel
• Approaches

14
Culvert Inspection Form(CR-86) (Contd)

• Culvert
• General
• Alignment
• Shape
• Seams or Joints

• Slab
• Abutments
• Headwalls
• End Structure

15
Culvert Inspection Form(CR-86) (Contd)

• Channel
• Alignment
• Protection
• Culvert Waterway Blockage
• Scour

16
Culvert Inspection Form(CR-86) (Contd)

• Approaches
• Pavement
• Guardrail
• Embankment
• Level of Inspection

17
Culvert Inspection Form(CR-86) (Contd)

• General Appraisal