Doorvaartopening (beweegbaar) Algerabrug (deel over de sluis)

Opening #1342 · route 54943

Back

Latest Clearance

7.55 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:1342
Parent id: 4913 (bridge)
Reference level: n/a
Height closed: 7.110 m
Clearance height closed: 4.830 m
Height opened: n/a
Width: 23.500 m
Sill depth: n/a
Route km: 0.300 - 0.326

Parent Bridge

Name: Algerabrug over de sluis
Local id: 150
RWS id: 4913
Source id: fis.bridge:150
Reference level: NAP
MHW reference: RIVER
MHW offset: 2.2800
Can open: yes

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`krimpenaandeijssel.hollandscheijssel` Krimpen aan de IJssel, Hollandsche IJssel	nearest_spatial	73 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	7.550 m	ok	`height_closed_minus_water_level`
2026-10-12 20:16:51	2026-10-12 20:00:00	-0.220 m	7.330 m	ok	`height_closed_minus_water_level`
2026-10-12 19:16:40	2026-10-12 18:50:00	0.220 m	6.890 m	ok	`height_closed_minus_water_level`
2026-10-12 18:16:30	2026-10-12 17:50:00	0.650 m	6.460 m	ok	`height_closed_minus_water_level`
2026-10-12 17:16:19	2026-10-12 16:50:00	1.060 m	6.050 m	ok	`height_closed_minus_water_level`
2026-10-12 16:16:09	2026-10-12 15:50:00	1.140 m	5.970 m	ok	`height_closed_minus_water_level`
2026-10-12 15:15:59	2026-10-12 15:00:00	0.700 m	6.410 m	ok	`height_closed_minus_water_level`
2026-10-12 14:15:48	2026-10-12 13:50:00	-0.050 m	7.160 m	ok	`height_closed_minus_water_level`
2026-10-12 13:15:39	2026-10-12 12:50:00	-0.190 m	7.300 m	ok	`height_closed_minus_water_level`
2026-10-12 12:15:28	2026-10-12 11:50:00	-0.140 m	7.250 m	ok	`height_closed_minus_water_level`
2026-10-12 11:15:17	2026-10-12 11:00:00	-0.070 m	7.180 m	ok	`height_closed_minus_water_level`
2026-10-12 10:15:07	2026-10-12 09:50:00	-0.080 m	7.190 m	ok	`height_closed_minus_water_level`
2026-10-12 09:14:57	2026-10-12 08:50:00	-0.150 m	7.260 m	ok	`height_closed_minus_water_level`
2026-10-12 08:14:46	2026-10-12 07:50:00	0.010 m	7.100 m	ok	`height_closed_minus_water_level`
2026-10-12 07:14:35	2026-10-12 07:00:00	0.290 m	6.820 m	ok	`height_closed_minus_water_level`
2026-10-12 06:14:22	2026-10-12 06:00:00	0.690 m	6.420 m	ok	`height_closed_minus_water_level`
2026-10-12 05:14:11	2026-10-12 04:50:00	1.100 m	6.010 m	ok	`height_closed_minus_water_level`
2026-10-12 04:13:57	2026-10-12 03:50:00	1.300 m	5.810 m	ok	`height_closed_minus_water_level`
2026-10-12 03:13:47	2026-10-12 03:00:00	1.050 m	6.060 m	ok	`height_closed_minus_water_level`
2026-10-12 02:13:36	2026-10-12 01:50:00	0.090 m	7.020 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": 0.9927,
        "distance_m": 73.39,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 150,
        "name": "Algerabrug over de sluis",
        "rws_id": "4913",
        "can_open": true,
        "source_id": "fis.bridge:150",
        "mhw_offset": 2.28,
        "reference_level": "NAP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 1342,
        "name": "Doorvaartopening (beweegbaar) Algerabrug (deel over de sluis)",
        "route_id": "54943",
        "source_id": "fis.opening:1342",
        "fairway_id": "56241",
        "route_km_end": 0.326,
        "route_km_begin": 0.3,
        "height_closed_m": 7.11,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "28025",
        "clearance_height_closed_m": 4.83,
        "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": [
        4.578503966,
        51.917083932
    ]
}

Raw FIS JSON

{
    "id": 1342,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            4.578503966000028,
            51.917083932000025
        ]
    },
    "properties": {
        "id": 25931,
        "name": "Doorvaartopening (beweegbaar) Algerabrug (deel over de sluis)",
        "note": null,
        "type": "BC",
        "width": 23.5,
        "isrsid": 9067670,
        "number": 1,
        "geotype": "opening",
        "routeid": 54943,
        "vincode": "5183",
        "objectid": 1342,
        "parentid": 4913,
        "condition": "CONSTRUCTED",
        "fairwayid": 56241,
        "silldepth": null,
        "routekmend": 0.326,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 23.5,
        "heightclosed": 7.11,
        "heightopened": null,
        "routekmbegin": 0.3,
        "geogeneration": 3343,
        "parentgeotype": "bridge",
        "fairwaysectionid": 28025,
        "passagedurationm": 10,
        "clearanceheightclosed": 4.83,
        "clearanceheightopened": null
    }
}