Bridges on highways by Road class, Type of bridge, Year and Information

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Bridges on highways by Year, Road class, Type of bridge and Information
	Number
2025
Total
Total	15,156
Normal bridge	11,755
Tubular bridge	3,401
Class I main road
Total	4,065
Normal bridge	3,414
Tubular bridge	651
Class II main road
Total	1,297
Normal bridge	986
Tubular bridge	311

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Documentation of statistics

API query for this table

POST the following JSON query to the URL below to access this table from your application. URL: JSON query:

{
  "query": [
    {
      "code": "tiet_2_20200101",
      "selection": {
        "filter": "item",
        "values": [
          "YH",
          "1",
          "2"
        ]
      }
    },
    {
      "code": "tiet_6_20200101",
      "selection": {
        "filter": "item",
        "values": [
          "SSS",
          "010",
          "020"
        ]
      }
    },
    {
      "code": "timeperiod_y",
      "selection": {
        "filter": "item",
        "values": [
          "2025"
        ]
      }
    }
  ],
  "response": {
    "format": "json-stat2"
  }
}

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Bridges on highways by Road class, Type of bridge, Year and Information