Table 6: Deflection of steel girder bridge with cover plate.

YearsNominal corrosion penetration (mm)Nominal maximum deflection (mm)
Carbon steel without coatCarbon steel with coatWeathering SteelCarbon steel without coatCarbon steel with coatWeathering steel

00.0000.0000.00029.33229.33229.332
100.4340.0000.14529.55429.33229.405
200.7500.2510.21329.71929.46029.440
301.0330.2510.26729.87029.46029.468
401.2970.5030.31430.01229.58929.492
501.5460.5030.35530.14929.58929.513
601.7860.7540.39330.28229.72129.533
702.0160.7540.42830.41329.72129.551
752.1290.7540.46230.47829.72129.560