To ensure compliance with the National Bridge Inspection Standards (NBIS) two types of reviews are performed on local agencies’ bridge inspection programs.
Quality Assurance Reviews
- QA reviews are scheduled for agencies owning bridges listed on the National Bridge Inventory (NBI) on a three year cycle.
- WSDOT Local Agency Bridge Engineer works with agency personnel to evaluate the program’s strengths, weaknesses and makes suggestion to correct any deficiencies.
- A close-out conference is help to discuss the findings and a report is sent to the local agency.
National Bridge Inspection Program Reviews
- FHWA coordinates with the WSDOT Local Agency Bridge Engineer to conduct National Bridge Inspection Program reviews for NBIS compliance.
- Specific areas of interest are load ratings and scour analysis.
- Recommendations for improvements are given and a report is filed.
- If the state or local agency program is deemed out of compliance with NBIS, a request to achieve compliance is issued.
- If an agency fails compliance, federal funds can be withheld until compliance is achieved.
Local Agency Guidelines (LAG) Manual Chapter 34 contains more information about Bridge Inspection Programs and Quality Assurance Reviews.