Doorvaartopening (beweegbaar) brug over buitenhoofd Julianasluis

Opening #26 · route 28865

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Latest Clearance

1.27 m ok

Water station: gouda.hollandscheijssel Gouda Hollandsche IJssel
Water observed: 2026-08-28 05:40:00
Water level: 0.630 m
Calculated: 2026-08-28 06:10:39
Formula: height_closed_minus_water_level

FIS Opening Fields

Source id: fis.opening:26
Parent id: 23943 (bridge)
Reference level: n/a
Height closed: 1.900 m
Clearance height closed: 2.510 m
Height opened: n/a
Width: 12.000 m
Sill depth: n/a
Route km: 14.448 - 14.448

Parent Bridge

Name: Brug over buitenhoofd Julianasluis
Local id: 986
RWS id: 23943
Source id: fis.bridge:986
Reference level: NAP
MHW reference: CANAL
MHW offset: n/a
Can open: yes

Linked Water Stations

Station	Method	Distance	Confidence	Latest Observation	Level
`gouda.hollandscheijssel` Gouda Hollandsche IJssel	nearest_spatial	1,911 m	0.81	2026-08-28 05:40:00	0.630 m

Recent Clearance History

Calculated	Water Observed	Water Level	Clearance	Status	Formula
2026-08-28 06:10:39	2026-08-28 05:40:00	0.630 m	1.270 m	ok	`height_closed_minus_water_level`
2026-08-28 05:10:28	2026-08-28 04:50:00	0.850 m	1.050 m	ok	`height_closed_minus_water_level`
2026-08-28 04:10:15	2026-08-28 03:50:00	1.400 m	0.500 m	ok	`height_closed_minus_water_level`
2026-08-28 03:10:04	2026-08-28 02:50:00	1.110 m	0.790 m	ok	`height_closed_minus_water_level`
2026-08-28 02:09:52	2026-08-28 01:50:00	0.160 m	1.740 m	ok	`height_closed_minus_water_level`
2026-08-28 01:09:40	2026-08-28 00:40:00	-0.500 m	2.400 m	ok	`height_closed_minus_water_level`
2026-08-28 00:09:28	2026-08-27 23:40:00	-0.370 m	2.270 m	ok	`height_closed_minus_water_level`
2026-08-27 23:09:16	2026-08-27 22:40:00	-0.170 m	2.070 m	ok	`height_closed_minus_water_level`
2026-08-27 22:09:04	2026-08-27 21:50:00	-0.280 m	2.180 m	ok	`height_closed_minus_water_level`
2026-08-27 21:08:52	2026-08-27 20:40:00	-0.500 m	2.400 m	ok	`height_closed_minus_water_level`
2026-08-27 20:08:39	2026-08-27 19:40:00	-0.350 m	2.250 m	ok	`height_closed_minus_water_level`
2026-08-27 19:08:26	2026-08-27 18:30:00	0.100 m	1.800 m	ok	`height_closed_minus_water_level`
2026-08-27 18:08:11	2026-08-27 17:40:00	0.380 m	1.520 m	ok	`height_closed_minus_water_level`
2026-08-27 17:07:49	2026-08-27 16:30:00	0.800 m	1.100 m	ok	`height_closed_minus_water_level`
2026-08-27 16:07:30	2026-08-27 15:40:00	1.210 m	0.690 m	ok	`height_closed_minus_water_level`
2026-08-27 15:07:18	2026-08-27 14:30:00	0.840 m	1.060 m	ok	`height_closed_minus_water_level`
2026-08-27 14:07:06	2026-08-27 13:30:00	0.130 m	1.770 m	ok	`height_closed_minus_water_level`
2026-08-27 13:06:55	2026-08-27 12:30:00	-0.170 m	2.070 m	ok	`height_closed_minus_water_level`
2026-08-27 12:06:43	2026-08-27 11:40:00	-0.330 m	2.230 m	ok	`height_closed_minus_water_level`
2026-08-27 11:06:31	2026-08-27 10:30:00	-0.210 m	2.110 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",
        "kp_reference_level_nap": null,
        "reference_level_source": "fis_bridge.reference_level",
        "reference_level_decision": "NAP reference level detected on opening or parent bridge",
        "effective_reference_level": "NAP",
        "current_water_delta_from_kp_m": null
    },
    "station_link": {
        "active": true,
        "method": "nearest_spatial",
        "confidence": 0.8089,
        "distance_m": 1911.37,
        "reviewed_at": null
    },
    "parent_bridge": {
        "id": 986,
        "name": "Brug over buitenhoofd Julianasluis",
        "rws_id": "23943",
        "can_open": true,
        "source_id": "fis.bridge:986",
        "mhw_offset": null,
        "reference_level": "NAP",
        "mhw_reference_level": null
    },
    "bridge_opening": {
        "id": 26,
        "name": "Doorvaartopening (beweegbaar) brug over buitenhoofd Julianasluis",
        "route_id": "28865",
        "source_id": "fis.opening:26",
        "fairway_id": "46291",
        "route_km_end": 14.448,
        "route_km_begin": 14.448,
        "height_closed_m": 1.9,
        "height_opened_m": null,
        "reference_level": null,
        "fairway_section_id": "40646",
        "clearance_height_closed_m": 2.51,
        "clearance_height_opened_m": null
    },
    "water_observation": {
        "value_m": 0.63,
        "value_cm": 63,
        "observed_at": "2026-08-28T05:40:00+00:00",
        "process_type": "meting",
        "quality_code": "00",
        "retrieved_at": "2026-08-28T06:10:30.884654+00:00",
        "station_code": "gouda.hollandscheijssel",
        "reference_level": "NAP"
    }
}

Geometry GeoJSON

{
    "type": "Point",
    "coordinates": [
        4.693416597,
        52.000963228
    ]
}

Raw FIS JSON

{
    "id": 26,
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            4.693416597000066,
            52.000963228000046
        ]
    },
    "properties": {
        "id": 1759,
        "name": "Doorvaartopening (beweegbaar) brug over buitenhoofd Julianasluis",
        "note": null,
        "type": "OPH",
        "width": 12,
        "isrsid": 9071813,
        "number": 1,
        "geotype": "opening",
        "routeid": 28865,
        "vincode": "5367",
        "objectid": 26,
        "parentid": 23943,
        "condition": "CONSTRUCTED",
        "fairwayid": 46291,
        "silldepth": null,
        "routekmend": 14.448,
        "foreigncode": null,
        "orientation": null,
        "widthconvoy": 12,
        "heightclosed": 1.9,
        "heightopened": null,
        "routekmbegin": 14.448,
        "geogeneration": 3312,
        "parentgeotype": "bridge",
        "fairwaysectionid": 40646,
        "passagedurationm": 10,
        "clearanceheightclosed": 2.51,
        "clearanceheightopened": null
    }
}