{
  "checkedAt": "2026-08-17T11:48:57.062Z",
  "cacheSeconds": 900,
  "sources": [
    {
      "id": "SC",
      "agency": "SCDOT — BRI_LOW_CLEARANCE",
      "reportClaim": "SCDOT publishes no clearance inventory; identity layer only (verified 2026-08-13).",
      "state": "healthy",
      "recordCount": 10394,
      "expectedMin": null,
      "detail": null,
      "checkedAt": "2026-08-17T11:48:57.062Z"
    },
    {
      "id": "MA",
      "agency": "MassDOT — Roads/Bridges",
      "reportClaim": "Server was down 2026-07-30; recovered by 2026-07-31.",
      "state": "healthy",
      "recordCount": 8436,
      "expectedMin": 5000,
      "detail": null,
      "checkedAt": "2026-08-17T11:48:57.062Z"
    },
    {
      "id": "WA",
      "agency": "WSDOT — Bridge Under Structures",
      "reportClaim": "Serves only ~308 rows — far short of Washington's inventory — so only 16 pairs were comparable.",
      "state": "degraded",
      "recordCount": 307,
      "expectedMin": 3000,
      "detail": null,
      "checkedAt": "2026-08-17T11:48:57.062Z"
    },
    {
      "id": "OK",
      "agency": "ODOT — Bridges",
      "reportClaim": "Layer is live, but UNDERCLEAR is not NBI item 54B — identity only.",
      "state": "healthy",
      "recordCount": 9863,
      "expectedMin": 5000,
      "detail": null,
      "checkedAt": "2026-08-17T11:48:57.062Z"
    },
    {
      "id": "NJ",
      "agency": "NJOGIS — Bridges of NJ (RETIRED)",
      "reportClaim": "Publisher retired the layer; harvesting stopped 2026-08-06.",
      "state": "retired",
      "recordCount": null,
      "expectedMin": null,
      "detail": "Publisher marks this layer as retired (\"mature support\"). Not queried for current values.",
      "checkedAt": "2026-08-17T11:48:57.062Z"
    },
    {
      "id": "KY",
      "agency": "KYTC — National Bridge Inventory",
      "reportClaim": "Rejects pagination, so only its first 1,000 records were comparable.",
      "state": "degraded",
      "recordCount": null,
      "expectedMin": null,
      "detail": "Rejects paged queries — only the first page is retrievable.",
      "checkedAt": "2026-08-17T11:48:57.062Z"
    }
  ],
  "hub": {
    "totalRecords": 565642,
    "byMethod": [
      {
        "method": "nbi_snapshot",
        "rows": 260183
      },
      {
        "method": "state_inventory",
        "rows": 305459
      }
    ]
  }
}