NBI (NHS Only) 2022 Bridge Condition Ratings

2022 National Highway System (NHS) Bridge Inventory. Bridge condition ratings are based on a 0-9 scale and assigned for each culvert, or the deck, superstructure and substructure of each bridge. These ratings are recorded in the National Bridge Inventory (NBI) database. This dataset only includes data from the NBI database that in on the National Highway System (NHS). Condition ratings are an important tool for transportation asset management, as they are used to identify preventative maintenance needs, and to determine rehabilitation and replacement projects that require funding.2022年国家公路系统（National Highway System, NHS）桥梁清查数据集。桥梁状况评级基于0至9的评分标准，为每一处涵洞，或是每座桥梁的桥面、上部结构与下部结构单独赋值。上述评级信息均录入国家桥梁清查（National Bridge Inventory, NBI）数据库中。本数据集仅包含隶属于国家公路系统（NHS）的国家桥梁清查（NBI）数据库数据。桥梁状况评级是交通资产管理的重要工具，可用于识别预防性养护需求，同时用于确定需要资金投入的修复与更换工程项目。