Bridge conditions

All bridges in Ontario are inspected every 2 years using the Ontario Structure Inspection Manual (OSIM) format. The weighted condition of all elements is summarized in the Bridge Condition Index (BCI). More details about the BCI can be found on the Bridge Safety page on the Ministry of Transportation website.

Bridges that were recently constructed or recently transferred to the Ministry of Transportation may not have been inspected in OSIM format yet.

[OSIM]: Ontario Structure Inspection Manual [BCI]: Bridge Condition Index

Ministry contact: Transportation

Additional information

Geographic coverage
Last Validated Date
June 8, 2021
Update frequency

Bridge conditions

Learn more about accessing data using different formats.

Date range: January 1, 2012 - December 31, 2020

  • CSV
    Data English [1.5 MiB]

    Last Updated: June 9, 2021

  • CSV
    Data French [1.5 MiB]

    Last Updated: June 9, 2021


Supporting Files

  • XLSX
    Data dictionary English [12.4 KiB]

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