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) |
Traction tires are a special type of tire
manufactured with at least 1/8 of an inch tread. Traction tires are usually marked with a mountain/snowflake symbol, the letters M+S or “All Season.”
Carry chains, practice before leaving
Requiring chains keeps traffic moving during storms rather than closing a pass or roadway.
Prep your car. Fill up your gas tank,
pack jumper cables, ice scraper, warm clothing, snacks and water.