On September 22, 2016, the Ministry of Transportation provided an update on the investigation into the Nipigon River Bridge after it was unexpectedly closed earlier this year. The Minister of Transportation provided a Joint Statement on Nipigon River Bridge. More information and links to the full reports can be found on this page.
This year the Ministry will install a permanent retrofit over the winter that will allow the bridge to continue to function safely and reliably.
Bolt testing reports
- National Research Council Canada "Evaluation of Failed Nipigon River Bridge West Abutment Bolts" - Executive Summary (PDF - 158 KB)
- National Research Council Canada "Evaluation of Failed Nipigon River Bridge West Abutment Bolts" - Full Report (PDF - 15.9 MB)
- Surface Science Western "Report on the Evaluation of the Bolts Provided by MTO" - Executive Summary (PDF - 94.7 KB)
- Surface Science Western "Report on the Evaluation of the Bolts Provided by MTO" - Full Report (PDF - 126 MB)
Investigation reports
- Associated Engineering "Nipigon River Bridge Independent Technical Review" - Executive Summary (PDF - 771 KB)
- Associated Engineering "Nipigon River Bridge Independent Technical Review" - Full Report (PDF - 4.89 MB)
- Ministry of Transportation "Nipigon River Bridge West Abutment Bearing Technical Investigation" - Executive Summary (PDF - 126 KB)
- Ministry of Transportation "Nipigon River Bridge West Abutment Bearing Technical Investigation" - Full Report (PDF - 7.22 MB)
- Note: this report contains large diagrams. Please save this file and open it in Acrobat Reader for best results.
Fact sheets
- Nipigon River Bridge – Bolt Testing Results (PDF - 53 KB)
- Nipigon River Bridge – Investigation (PDF - 1514 KB)
- Nipigon River Bridge – Permanent Retrofit (PDF - 258 KB)
Accessible formats and communication supports are available, upon request.
Recommended for you
- Nipigon River Bridge updates (archived)
- Bridge repairs