Research Article
Investigation of Traffic Loading Effects for Different Codes on Medium- and Small-Span Girder Bridges in China
Table 2
Traffic load grades of the bridges for different highway grades in JTG D60-2004.
| Highway grades | Expressway | First-class highway | Second-class highway | Third-class highway | Fourth-class highway |
| Traffic load grades | Highway-grade I | Highway-grade I | Highway-grade II | Highway-grade II | Highway-grade II |
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