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Assistant

Ask about the Bridge Investment Program

Answers come from the program notice and the regulations it cites. Every answer shows its sources.

Today

How often does a bridge have to be inspected?

You · 10:41

  1. Searched 14 notices
  2. Read 23 CFR 650 Subpart C
  3. Could not reach the NBI database

Routine inspections are required at least every 24 months under the National Bridge Inspection Standards. A bridge in good condition can be moved to a 48-month interval with Highway Office approval; one with known problems is inspected more often.

23 CFR 650 Subpart CNBI coding guide, 2022

Assistant · 10:42

Who approves the 48-month interval?

You · 10:43

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