Life-Cycle Monitoring of Long-Span PSC Box Girder Bridges through Distributed Sensor Network: Strategies, Methods, and Applications

Table 1

Summary of monitoring items on PSC bridges.

Bridge name	Monitoring Items
	Strain	Deflection; or rotation	Support displacement	Acceleration; or velocity	Corrosion	Crack	Prestress; loss	Traffic camera	Temperature	Weather station
Ferriby Road Bridge (UK)		√				√
PI-57 Bridge (France)				√					√
Lezíria Bridge (Portugal)	√	√	√						√
401 Southbound Bridge (USA)	√	√	√				√		√
California Pilot Bridge (USA)	√	√		√				√	√
Utah Pilot Bridge (USA)	√	√		√				√	√	√
Kishwaukee Bridge (USA)	√			√		√			√
New I35W Bridge (USA)	√	√	√	√	√				√
Kamikazue Viaduct (USA)							√
A curved bridge (USA)		√		√					√
West Street On-ramp Bridge (USA)				√
North Halawa Valley Viaduct (USA)		√	√
Zhaoqing Xijiang Bridge (China)	√								√
Chongqing Shibanpo Bridge (China)	√	√							√
Xushuigou Bridge (China)	√	√							√
Jiangjin Yangtze River Highway Bridge (China)	√	√				√			√
Anwen Bridge (China)		√							√
Monitored items in total	9	12	4	7	1	2	2	2	12	1