Doorvaartopening (beweegbaar) Amaliabrug Waddinxveen
Opening #3274
ยท route 28865
Latest Clearance
pending
needs_reference_level_validation
- Water station
gouda.hollandscheijsselGouda Hollandsche IJssel- Water observed
- 2026-08-28 07:00:00
- Water level
- 0.260 m
- Calculated
- 2026-08-28 07:23:13
- Formula
pending_reference_level_interpretation
FIS Opening Fields
- Source id
fis.opening:3274- Parent id
-
17709784(bridge) - Reference level
- n/a
- Height closed
- 6.410 m
- Clearance height closed
- 7.020 m
- Height opened
- n/a
- Width
- 25.020 m
- Sill depth
- n/a
- Route km
- 10.800 - 10.787
Parent Bridge
- Name
- Amaliabrug Waddinxveen
- Local id
5905- RWS id
17709784- Source id
fis.bridge:5905- Reference level
- KP
- 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 | 4,241 m | 0.58 | 2026-08-28 07:00:00 | 0.260 m |
Recent Clearance History
| Calculated | Water Observed | Water Level | Clearance | Status | Formula |
|---|---|---|---|---|---|
| 2026-08-28 07:23:13 | 2026-08-28 07:00:00 | 0.260 m | pending | needs_reference_level_validation | pending_reference_level_interpretation |
| 2026-08-28 07:18:17 | 2026-08-28 06:40:00 | 0.360 m | pending | needs_reference_level_validation | pending_reference_level_interpretation |
| 2026-08-28 07:10:51 | 2026-08-28 06:40:00 | 0.360 m | 6.050 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-28 06:10:39 | 2026-08-28 05:40:00 | 0.630 m | 5.780 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-28 05:10:28 | 2026-08-28 04:50:00 | 0.850 m | 5.560 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-28 04:10:15 | 2026-08-28 03:50:00 | 1.400 m | pending | needs_reference_level_validation | kp_reference_level_outlier |
| 2026-08-28 03:10:04 | 2026-08-28 02:50:00 | 1.110 m | 5.300 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-28 02:09:52 | 2026-08-28 01:50:00 | 0.160 m | 6.250 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-28 01:09:40 | 2026-08-28 00:40:00 | -0.500 m | 6.910 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-28 00:09:28 | 2026-08-27 23:40:00 | -0.370 m | 6.780 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 23:09:16 | 2026-08-27 22:40:00 | -0.170 m | 6.580 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 22:09:04 | 2026-08-27 21:50:00 | -0.280 m | 6.690 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 21:08:52 | 2026-08-27 20:40:00 | -0.500 m | 6.910 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 20:08:39 | 2026-08-27 19:40:00 | -0.350 m | 6.760 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 19:08:26 | 2026-08-27 18:30:00 | 0.100 m | 6.310 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 18:08:11 | 2026-08-27 17:40:00 | 0.380 m | 6.030 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 17:07:49 | 2026-08-27 16:30:00 | 0.800 m | 5.610 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 16:07:30 | 2026-08-27 15:40:00 | 1.210 m | 5.200 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 15:07:18 | 2026-08-27 14:30:00 | 0.840 m | 5.570 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
| 2026-08-27 14:07:06 | 2026-08-27 13:30:00 | 0.130 m | 6.280 m | ok | kp_clearance_height_adjusted_by_current_nap_water_level |
Calculation Basis
{
"formula": {
"kind": "pending_reference_level_interpretation",
"expression": "not_computed_until_reference_level_rule_is_validated",
"water_source": "water_level_observation.value_m",
"height_source": "fis_bridge_opening.clearance_height_closed_m",
"reference_level_source": "fis_bridge.reference_level",
"reference_level_decision": "parent bridge reference level is available but not interpreted as NAP",
"effective_reference_level": "KP"
},
"station_link": {
"active": true,
"method": "nearest_spatial",
"confidence": 0.5759,
"distance_m": 4240.76,
"reviewed_at": null
},
"parent_bridge": {
"id": 5905,
"name": "Amaliabrug Waddinxveen",
"rws_id": "17709784",
"can_open": true,
"source_id": "fis.bridge:5905",
"mhw_offset": null,
"reference_level": "KP",
"mhw_reference_level": null
},
"bridge_opening": {
"id": 3274,
"name": "Doorvaartopening (beweegbaar) Amaliabrug Waddinxveen",
"route_id": "28865",
"source_id": "fis.opening:3274",
"fairway_id": "52380",
"route_km_end": 10.787,
"route_km_begin": 10.8,
"height_closed_m": 6.41,
"height_opened_m": null,
"reference_level": null,
"fairway_section_id": "30985812",
"clearance_height_closed_m": 7.02,
"clearance_height_opened_m": null
},
"water_observation": {
"value_m": 0.26,
"value_cm": 26,
"observed_at": "2026-08-28T07:00:00+00:00",
"process_type": "meting",
"quality_code": "00",
"retrieved_at": "2026-08-28T07:23:04.679998+00:00",
"station_code": "gouda.hollandscheijssel",
"reference_level": "NAP"
}
}
Geometry GeoJSON
{
"type": "Point",
"coordinates": [
4.666437507,
52.025862013
]
}
Raw FIS JSON
{
"id": 3274,
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [
4.666437507000069,
52.02586201300005
]
},
"properties": {
"id": 29065614,
"name": "Doorvaartopening (beweegbaar) Amaliabrug Waddinxveen",
"note": null,
"type": "BC",
"width": 25.02,
"isrsid": 29065634,
"number": 1,
"geotype": "opening",
"routeid": 28865,
"vincode": "65116050",
"objectid": 3274,
"parentid": 17709784,
"condition": "CONSTRUCTED",
"fairwayid": 52380,
"silldepth": null,
"routekmend": 10.78652901,
"foreigncode": null,
"orientation": null,
"widthconvoy": 25,
"heightclosed": 6.41,
"heightopened": null,
"routekmbegin": 10.8,
"geogeneration": 3312,
"parentgeotype": "bridge",
"fairwaysectionid": 30985812,
"passagedurationm": 10,
"clearanceheightclosed": 7.02,
"clearanceheightopened": null
}
}