BC Sessional Papers archive via UBC - Contains dozens of annual financial reports from the Ministries and Departments responsible for the maintenance of Provincial Highways. To search for a particular phrase type with quotations marks e.g., "Upper Levels Highway" "Peace River Bridge". All reports have the following format:(except a few early reports) Minister of (name of ministry/department) Report for the Fiscal Year ####/##
[2] The Landmark Kilometre Inventory, a dataset for all provincially maintained highways in the province.
[3] A list of changes in the LKI from 2002-2021 hosted on the site of the contractor for the LKI, Cypher Consulting.
An abandoned database that's like Roads UK/CRBD except for B.C.[4] Old archived website from the early 2000s. Documents highways with photos. Website repository here: [5] (Homepage cannot be found)
https://www.tranbc.ca/ The official blog for the Ministry of Transportation and Infrastructure.
[6] Using the Wayback Machine, you can view tenders for contracts, which can contain plans for bridges alongside the year they were created. The site is updated periodically based on the availability of contracts.