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Social Infrastructure Management Lab
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A lab on asset management that tackles the aging of bridges, roads, and other infrastructure using probability and statistics.
AboutAbout the lab
Exploring how to manage aging bridges and roads
The Social Infrastructure Management Lab studies asset management for infrastructure facilities that are aging and deteriorating, such as bridges, roads, and water and sewer systems.
The lab believes that research and development integrating the humanities and sciences is essential, linking an engineering aspect, predicting facility deterioration, with an economic aspect, minimizing life-cycle cost.
The core method is an approach using probability theory and mathematical statistics.
Key terms
- Asset management
- An approach to managing infrastructure facilities such as bridges and roads based on predictions of deterioration and on costs
- Life-cycle cost
- The total cost of a facility viewed across its whole life, from construction to the end of its use
- Infrastructure facilities
- Facilities that support society and the economy, such as bridges, roads, and water and sewer systems
NewsLab news
A paper from the lab won the FY2025 JSCE Construction Management Committee Paper Award
A paper by Project Assistant Professor Sasai and colleagues won the 2025 Matthew G. Karlaftis Best Paper Award from the American Society of Civil Engineers
A paper on extending inspection intervals for railway switches (turnouts) was published in the Journal of the Japan Society of Civil Engineers
Professor Kaito's research was featured for a simulation method that estimates the deterioration of sewer pipes
ResearchResearch themes
Infrastructure facilities such as bridges, roads, and water and sewer systems are aging and deteriorating. This lab studies how to manage these facilities from the perspective of asset management and hand them on to the future.
*Illustrative imageManagement for Handing Facilities On to the Next Generation
The lab considers how to hand existing infrastructure facilities on to the next generation while maintaining their service levels. Using social, economic, and environmental criteria as evaluation axes, it explores strategies and tactics for sustainability through management theory.
*Illustrative imageR&D Linking Deterioration Prediction and Cost
The lab advances asset management by linking an engineering aspect, predicting facility deterioration, with an economic aspect, minimizing life-cycle cost. It takes an approach using probability theory and mathematical statistics.
MembersFaculty
The members of the Social Infrastructure Management Lab consist of faculty, visiting researchers, and doctoral and master's students.As of 2026
- ProfessorKiyoyuki Kaito
- Project Assistant ProfessorKotaro Sasai
- Project LecturerAngelo Asnake Adraro
- Project Assistant ProfessorFelix Obunguta
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Singlewell Infrastructure Maintenance Depot - geograph.org.uk - 2084061” screen42 / CC BY-SA 2.0 (cropped)
- Management for Handing Facilities On to the Next Generation: “Steel Bridge Inspection - Snooper truck” Oregon Department of Transportation / CC BY 4.0 (cropped)
- R&D Linking Deterioration Prediction and Cost: “Road surface deterioration by pavement markings” z22 / CC BY-SA 3.0 (cropped)
- Related lab (Social Infrastructure Design Lab): “Whittier Bridge- Arch span deck is ready for concrete ( )” MassDOT / Public domain (cropped)
- Related lab (Architectural and Urban Form Engineering Lab): “Urban planning museum - Model of a Shanghai bridge” Jordiferrer / CC BY-SA 3.0 (cropped)
- Related lab (Water Engineering Lab): “The Szczecin Lagoon at the mouth of the Oder River (P- )” Copernicus Sentinel-2 imagery, EK - GD DEFIS, EC - DG DEFIS, SPACETEC PARTNERS, CE - DG DEFIS / CC BY 4.0 (cropped)
- Related lab (Ship Intelligence Lab): “Tug boats maneuver Gerald R. Ford into the James River during the ship's Turn Ship evolution. ( )” Official U.S. Navy Page from United States of America / Public domain (cropped)
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