Doorvaartopening (vast) Algerabrug

Opening #1782 · route 22402

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Latest Clearance

8.92 m ok

Water station: krimpenaandeijssel.hollandscheijssel Krimpen aan de IJssel, Hollandsche IJssel
Water observed: 2026-10-12 21:00:00
Water level: -0.440 m
Calculated: 2026-10-12 21:17:01
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	2026-10-12 21:00:00	-0.440 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-10-12 21:17:01	2026-10-12 21:00:00	-0.440 m	8.920 m	ok	`height_closed_minus_water_level`
2026-10-12 20:16:51	2026-10-12 20:00:00	-0.220 m	8.700 m	ok	`height_closed_minus_water_level`
2026-10-12 19:16:40	2026-10-12 18:50:00	0.220 m	8.260 m	ok	`height_closed_minus_water_level`
2026-10-12 18:16:30	2026-10-12 17:50:00	0.650 m	7.830 m	ok	`height_closed_minus_water_level`
2026-10-12 17:16:19	2026-10-12 16:50:00	1.060 m	7.420 m	ok	`height_closed_minus_water_level`
2026-10-12 16:16:09	2026-10-12 15:50:00	1.140 m	7.340 m	ok	`height_closed_minus_water_level`
2026-10-12 15:15:59	2026-10-12 15:00:00	0.700 m	7.780 m	ok	`height_closed_minus_water_level`
2026-10-12 14:15:48	2026-10-12 13:50:00	-0.050 m	8.530 m	ok	`height_closed_minus_water_level`
2026-10-12 13:15:39	2026-10-12 12:50:00	-0.190 m	8.670 m	ok	`height_closed_minus_water_level`
2026-10-12 12:15:28	2026-10-12 11:50:00	-0.140 m	8.620 m	ok	`height_closed_minus_water_level`
2026-10-12 11:15:17	2026-10-12 11:00:00	-0.070 m	8.550 m	ok	`height_closed_minus_water_level`
2026-10-12 10:15:07	2026-10-12 09:50:00	-0.080 m	8.560 m	ok	`height_closed_minus_water_level`
2026-10-12 09:14:57	2026-10-12 08:50:00	-0.150 m	8.630 m	ok	`height_closed_minus_water_level`
2026-10-12 08:14:46	2026-10-12 07:50:00	0.010 m	8.470 m	ok	`height_closed_minus_water_level`
2026-10-12 07:14:35	2026-10-12 07:00:00	0.290 m	8.190 m	ok	`height_closed_minus_water_level`
2026-10-12 06:14:22	2026-10-12 06:00:00	0.690 m	7.790 m	ok	`height_closed_minus_water_level`
2026-10-12 05:14:11	2026-10-12 04:50:00	1.100 m	7.380 m	ok	`height_closed_minus_water_level`
2026-10-12 04:13:57	2026-10-12 03:50:00	1.300 m	7.180 m	ok	`height_closed_minus_water_level`
2026-10-12 03:13:47	2026-10-12 03:00:00	1.050 m	7.430 m	ok	`height_closed_minus_water_level`
2026-10-12 02:13:36	2026-10-12 01:50:00	0.090 m	8.390 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": -0.44,
        "value_cm": -44,
        "observed_at": "2026-10-12T21:00:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-10-12T21:16:54.954435+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
    }
}