Doorvaartopening (vast) Algerabrug

Opening #1782 · route 22402

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Latest Clearance

8.34 m ok

Water station: krimpenaandeijssel.hollandscheijssel Krimpen aan de IJssel, Hollandsche IJssel
Water observed: 2026-08-28 07:00:00
Water level: 0.140 m
Calculated: 2026-08-28 07:23:13
Formula: height_closed_minus_water_level

FIS Opening Fields

Source id: fis.opening:1782
Parent id: 8727 (bridge)
Reference level: n/a
Height closed: 8.480 m
Clearance height closed: 6.200 m
Height opened: n/a
Width: 80.000 m
Sill depth: n/a
Route km: 18.000 - 17.969

Parent Bridge

Name: Algerabrug over de stormvloedkering
Local id: 319
RWS id: 8727
Source id: fis.bridge:319
Reference level: NAP
MHW reference: RIVER
MHW offset: 2.2800
Can open: no

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`krimpenaandeijssel.hollandscheijssel` Krimpen aan de IJssel, Hollandsche IJssel	nearest_spatial	52 m	0.99	2026-08-28 07:00:00	0.140 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-08-28 07:23:13	2026-08-28 07:00:00	0.140 m	8.340 m	ok	`height_closed_minus_water_level`
2026-08-28 07:18:17	2026-08-28 06:40:00	0.250 m	8.230 m	ok	`height_closed_minus_water_level`
2026-08-28 07:10:51	2026-08-28 06:40:00	0.250 m	8.230 m	ok	`height_closed_minus_water_level`
2026-08-28 06:10:39	2026-08-28 05:40:00	0.580 m	7.900 m	ok	`height_closed_minus_water_level`
2026-08-28 05:10:28	2026-08-28 04:50:00	0.840 m	7.640 m	ok	`height_closed_minus_water_level`
2026-08-28 04:10:15	2026-08-28 03:50:00	1.110 m	7.370 m	ok	`height_closed_minus_water_level`
2026-08-28 03:10:04	2026-08-28 02:50:00	1.110 m	7.370 m	ok	`height_closed_minus_water_level`
2026-08-28 02:09:52	2026-08-28 01:40:00	0.380 m	8.100 m	ok	`height_closed_minus_water_level`
2026-08-28 01:09:40	2026-08-28 00:40:00	-0.240 m	8.720 m	ok	`height_closed_minus_water_level`
2026-08-28 00:09:28	2026-08-27 23:50:00	-0.390 m	8.870 m	ok	`height_closed_minus_water_level`
2026-08-27 23:09:16	2026-08-27 22:40:00	-0.300 m	8.780 m	ok	`height_closed_minus_water_level`
2026-08-27 22:09:04	2026-08-27 21:50:00	-0.320 m	8.800 m	ok	`height_closed_minus_water_level`
2026-08-27 21:08:52	2026-08-27 20:40:00	-0.410 m	8.890 m	ok	`height_closed_minus_water_level`
2026-08-27 20:08:39	2026-08-27 19:30:00	-0.330 m	8.810 m	ok	`height_closed_minus_water_level`
2026-08-27 19:08:26	2026-08-27 18:40:00	-0.100 m	8.580 m	ok	`height_closed_minus_water_level`
2026-08-27 18:08:11	2026-08-27 17:40:00	0.300 m	8.180 m	ok	`height_closed_minus_water_level`
2026-08-27 17:07:49	2026-08-27 16:30:00	0.730 m	7.750 m	ok	`height_closed_minus_water_level`
2026-08-27 16:07:30	2026-08-27 15:40:00	0.960 m	7.520 m	ok	`height_closed_minus_water_level`
2026-08-27 15:07:18	2026-08-27 14:30:00	0.900 m	7.580 m	ok	`height_closed_minus_water_level`
2026-08-27 14:07:06	2026-08-27 13:30:00	0.350 m	8.130 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": 0.9948,
        "distance_m": 51.58,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 319,
        "name": "Algerabrug over de stormvloedkering",
        "rws_id": "8727",
        "can_open": false,
        "source_id": "fis.bridge:319",
        "mhw_offset": 2.28,
        "reference_level": "NAP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 1782,
        "name": "Doorvaartopening (vast) Algerabrug",
        "route_id": "22402",
        "source_id": "fis.opening:1782",
        "fairway_id": "49988",
        "route_km_end": 17.969,
        "route_km_begin": 18,
        "height_closed_m": 8.48,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "39670",
        "clearance_height_closed_m": 6.2,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": 0.14,
        "value_cm": 14,
        "observed_at": "2026-08-28T07:00:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-08-28T07:23:06.225999+00:00",
        "station_code": "krimpenaandeijssel.hollandscheijssel",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        4.579383731,
        51.916898282
    ]
}

Raw FIS JSON

{
    "id": 1782,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            4.579383731000064,
            51.916898282000034
        ]
    },
    "properties": {
        "id": 34330,
        "name": "Doorvaartopening (vast) Algerabrug",
        "note": null,
        "type": "VST",
        "width": 80,
        "isrsid": 38129167,
        "number": 1,
        "geotype": "opening",
        "routeid": 22402,
        "vincode": "7565",
        "objectid": 1782,
        "parentid": 8727,
        "condition": "CONSTRUCTED",
        "fairwayid": 49988,
        "silldepth": null,
        "routekmend": 17.969,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 80,
        "heightclosed": 8.48,
        "heightopened": null,
        "routekmbegin": 18,
        "geogeneration": 3343,
        "parentgeotype": "bridge",
        "fairwaysectionid": 39670,
        "passagedurationm": 0,
        "clearanceheightclosed": 6.2,
        "clearanceheightopened": null
    }
}