Loads & load rating for bridges & structures

Guidance for loading conditions and load rating of bridge structures.

Related manual chapters

Chapter 3 - Loads (PDF 906KB) provides guidance for bridge loading conditions, limit states, and load factors.

Chapter 13 - Load Rating (PDF 1.9MB) provides criteria and guidance for loading rating bridges.

Bridge Design Manual 

Complete Bridge design guidance is found in the Bridge Design Manual (M 23-50).

See all manuals and standards

Slow down on ice and snow.

It's easier to skid or lose control traveling at higher speeds. Give yourself more time to stop.

Carry chains, practice installing them.

Winter conditions could mean chains are required on your route. Practice putting them on your vehicle ahead of time.

Pack your winter car kit.

Carry extra supplies like warm clothing, ice scraper and brush, jumper cables and other emergency items.