What It Means
The superstructure consists of the structural elements that support the deck and transfer loads to the substructure. These include beams, girders, trusses, arches, and cables. Inspectors assess for section loss, fatigue cracking, connection problems, and alignment issues. The superstructure is critical for load-carrying capacity — serious deterioration can result in load posting or bridge closure.
Frequently Asked Questions
What does "Superstructure Condition Rating" mean?
A 0-9 rating of the structural members that support the deck, including beams, girders, and trusses.
Why does Superstructure Condition Rating matter for bridge safety?
The superstructure consists of the structural elements that support the deck and transfer loads to the substructure. These include beams, girders, trusses, arches, and cables. Inspectors assess for section loss, fatigue cracking, connection problems, and alignment issues. The superstructure is criti...