Version history of DOE O 437.1B

Every revision of DOE O 437.1B held in Directives, oldest first — 3 documents, with the supersession and cancellation dates that connect them.

1. 1

   DOE O 437.1Bridge and Tunnel Management

   ArchiveIssued Dec 11, 2020Retired Sep 23, 2024

2. superseded by
3. 2

   DOE O 437.1ABridge and Tunnel Management

   ArchiveIssued Sep 23, 2024Retired Aug 05, 2026

4. superseded by
5. 3

   DOE O 437.1BBridge and Tunnel Management

   Current versionCurrentIssued Aug 05, 2026

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