Doorvaartopening (vast) Alexander Ver Huellbrug

Opening #285 · route 36014

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Latest Clearance

13.55 m ok

Water station: doesburg.ijssel Doesburg, IJssel
Water observed: 2026-08-28 07:00:00
Water level: 3.750 m
Calculated: 2026-08-28 07:23:13
Formula: height_closed_minus_water_level

FIS Opening Fields

Source id: fis.opening:285
Parent id: 32056 (bridge)
Reference level: n/a
Height closed: 17.300 m
Clearance height closed: 6.200 m
Height opened: n/a
Width: 85.000 m
Sill depth: n/a
Route km: 20.400 - 20.362

Parent Bridge

Name: Alexander Ver Huellbrug
Local id: 1337
RWS id: 32056
Source id: fis.bridge:1337
Reference level: NAP
MHW reference: RIVER
MHW offset: 11.1000
Can open: no

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`doesburg.ijssel` Doesburg, IJssel	nearest_spatial	59 m	0.99	2026-08-28 07:00:00	3.750 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-08-28 07:23:13	2026-08-28 07:00:00	3.750 m	13.550 m	ok	`height_closed_minus_water_level`
2026-08-28 07:18:17	2026-08-28 06:40:00	3.750 m	13.550 m	ok	`height_closed_minus_water_level`
2026-08-28 07:10:51	2026-08-28 06:40:00	3.750 m	13.550 m	ok	`height_closed_minus_water_level`
2026-08-28 06:10:39	2026-08-28 05:40:00	3.750 m	13.550 m	ok	`height_closed_minus_water_level`
2026-08-28 05:10:28	2026-08-28 04:50:00	3.740 m	13.560 m	ok	`height_closed_minus_water_level`
2026-08-28 04:10:15	2026-08-28 03:50:00	3.740 m	13.560 m	ok	`height_closed_minus_water_level`
2026-08-28 03:10:04	2026-08-28 02:50:00	3.740 m	13.560 m	ok	`height_closed_minus_water_level`
2026-08-28 02:09:52	2026-08-28 01:50:00	3.750 m	13.550 m	ok	`height_closed_minus_water_level`
2026-08-28 01:09:40	2026-08-28 00:40:00	3.760 m	13.540 m	ok	`height_closed_minus_water_level`
2026-08-28 00:09:28	2026-08-27 23:50:00	3.760 m	13.540 m	ok	`height_closed_minus_water_level`
2026-08-27 23:09:16	2026-08-27 22:40:00	3.680 m	13.620 m	ok	`height_closed_minus_water_level`
2026-08-27 22:09:04	2026-08-27 21:50:00	3.660 m	13.640 m	ok	`height_closed_minus_water_level`
2026-08-27 21:08:52	2026-08-27 20:30:00	3.650 m	13.650 m	ok	`height_closed_minus_water_level`
2026-08-27 20:08:39	2026-08-27 19:30:00	3.650 m	13.650 m	ok	`height_closed_minus_water_level`
2026-08-27 19:08:26	2026-08-27 18:30:00	3.640 m	13.660 m	ok	`height_closed_minus_water_level`
2026-08-27 18:08:11	2026-08-27 17:30:00	3.630 m	13.670 m	ok	`height_closed_minus_water_level`
2026-08-27 17:07:49	2026-08-27 16:40:00	3.640 m	13.660 m	ok	`height_closed_minus_water_level`
2026-08-27 16:07:30	2026-08-27 15:40:00	3.630 m	13.670 m	ok	`height_closed_minus_water_level`
2026-08-27 15:07:18	2026-08-27 14:30:00	3.630 m	13.670 m	ok	`height_closed_minus_water_level`
2026-08-27 14:07:06	2026-08-27 13:30:00	3.620 m	13.680 m	ok	`height_closed_minus_water_level`

Calculation Basis

{
    "formula": {
        "kind": "height_closed_minus_water_level",
        "expression": "height_closed_m - water_level_m",
        "water_source": "water_level_observation.value_m",
        "height_source": "fis_bridge_opening.height_closed_m",
        "reference_level_source": "fis_bridge.reference_level",
        "reference_level_decision": "NAP reference level detected on opening or parent bridge",
        "effective_reference_level": "NAP"
    },
    "station_link": {
        "active": true,
        "method": "nearest_spatial",
        "confidence": 0.9941,
        "distance_m": 58.67,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 1337,
        "name": "Alexander Ver Huellbrug",
        "rws_id": "32056",
        "can_open": false,
        "source_id": "fis.bridge:1337",
        "mhw_offset": 11.1,
        "reference_level": "NAP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 285,
        "name": "Doorvaartopening (vast) Alexander Ver Huellbrug",
        "route_id": "36014",
        "source_id": "fis.opening:285",
        "fairway_id": "27011",
        "route_km_end": 20.362,
        "route_km_begin": 20.4,
        "height_closed_m": 17.3,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "58116",
        "clearance_height_closed_m": 6.2,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": 3.75,
        "value_cm": 375,
        "observed_at": "2026-08-28T07:00:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-08-28T07:23:03.874755+00:00",
        "station_code": "doesburg.ijssel",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        6.129669986,
        52.019379145
    ]
}

Raw FIS JSON

{
    "id": 285,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            6.129669986000067,
            52.01937914500007
        ]
    },
    "properties": {
        "id": 6318,
        "name": "Doorvaartopening (vast) Alexander Ver Huellbrug",
        "note": null,
        "type": "VST",
        "width": 85,
        "isrsid": 9059620,
        "number": 1,
        "geotype": "opening",
        "routeid": 36014,
        "vincode": "6978",
        "objectid": 285,
        "parentid": 32056,
        "condition": "CONSTRUCTED",
        "fairwayid": 27011,
        "silldepth": null,
        "routekmend": 20.362,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 85,
        "heightclosed": 17.3,
        "heightopened": null,
        "routekmbegin": 20.4,
        "geogeneration": 3310,
        "parentgeotype": "bridge",
        "fairwaysectionid": 58116,
        "passagedurationm": 0,
        "clearanceheightclosed": 6.2,
        "clearanceheightopened": null
    }
}