1. The IBM System has been established to develop the data in digital form, to identify, survey, and inventories the number of bridges and other structures on National Highways.
2. It crucially aims to identify the distressed bridges which need immediate attention and to sensitize the concerned implementation agency for taking corrective measures such as repair, rehabilitation reconstruction/ new construction, etc.

Working on the IBMS

1. During inventory creation, each bridge is assigned a unique identification number or National Identity Number based on the state, RTO zone, and whether it is situated on a National Highway, State Highway, or a district road.
2. Then the precise location of the bridge in terms of latitude-longitude is collected through GPS and based on this, the bridge is assigned a Bridge Location Number.
3. Thereafter, engineering characteristics like the design, materials, type of bridge, its age, loading, traffic lane, length, the width of the carriageway, etc are collected and are used to assign a Bridge Classification Number to the structure.
4. These are then used to do a structural rating of the structure on a scale of 0 to 9, and each bridge is assigned a Structural Rating Number.
5. The rating is done for each component of the structure like an integral and nonintegral deck, superstructure, substructure, bank and channel, structural evaluation, deck geometry, vertical clearance, waterway efficiency, etc.
6. In addition to the structural rating, the bridges are also being assigned Socio-Economic Bridge Rating Number which will decide the importance of the structure in relation to its contribution to the daily socio-economic activity of the area in its vicinity.

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