Active Bridge Design Manual Memorandums
Bridge design memorandums are issued as interim updates to the Bridge Design Manual (M 23-50). Active design memorandums supersede the contents of the Bridge Design Manual and are currently in force.
| Number | Date | Subject |
|---|---|---|
| 04-2022 | 08/20/2022 | Revisions to Bridge Design Manual M 23-50.21, June 2022 Publication (PDF 141KB) |
| 03-2022 | 07/25/2022 | Bridge Design Manual (LRFD) - June 2022 (PDF 73KB) |
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Improved access to 98.2 miles of upstream fish habitat
through 15 fish passage projects in 2021.
28% increase in the value of exports and imports
from $90.2 billion in 2020 to $115.5 billion in 2021.