Kirwans Bridge flood map & planning overlays
Kirwans Bridge is Strathbogie's oldest suburb, median 63, 6th in Victoria.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Kirwans Bridge
(Strathbogie, VIC) - 12.41 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 24 October 2026.
Constraint readout
12.41 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Kirwans Bridge's boundary, with the flood, bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.
Nearby suburbs, nearest first
Aircraft noise and flight paths over Kirwans Bridge
The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.
Observed overflight - sampled 4 Sep to 24 Oct 2026
Night movements: not established - night is sampled as often as day, but too few night flights have been seen here to conclude either way.
How this is measured
Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.
Kirwans Bridge at a glance
How Kirwans Bridge is zoned
Selling in Kirwans Bridge? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 12.41 km², Kirwans Bridge is highly constrained by planning overlays. About 10% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Farming Zone (FZ). The median lot measures about 6,041 m² across 147 parcels.
Who lives in Kirwans Bridge
Census 2021 figures published by the ABS for the Kirwans Bridge suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 982, and decile 4 within Victoria. The national average is 1000.
Age profile
Share of Kirwans Bridge's 134 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Nagambie, the wider ABS statistical area containing Kirwans Bridge. There is no annual population series published at suburb level, so this describes the surrounding area rather than Kirwans Bridge itself.
3,311 in 2001 to 4,936 in 2025, up 49%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Kirwans Bridge data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | Vicmap Planning and Victorian Government spatial services |
| Bushfire-prone mapping | Mapped | Vicmap Planning and Victorian Government spatial services |
| Zoning | Mapped | Vicmap Planning and Victorian Government spatial services |
| Heritage and environment | Mapped where published | Vicmap Planning and Victorian Government spatial services |
| Aircraft noise contours (ANEF) | Not held | Vicmap Planning and Victorian Government spatial services, Defence |
| Observed flight paths | Observed | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 24 October 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Kirwans Bridge address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Kirwans Bridge lot.
Kirwans Bridge planning - frequently asked
Is Kirwans Bridge flood-prone?
About 10% of Kirwans Bridge falls within a mapped flood overlay, against the council-wide suburb average of 29%.
Is Kirwans Bridge bushfire-prone?
Around 100% of Kirwans Bridge is mapped as bushfire-prone, compared with a Strathbogie average of 100%.
Is Kirwans Bridge under a flight path?
Aircraft were observed over about 6% of Kirwans Bridge in the period sampled, but only above 3,000 ft - the lowest measured was 3,000 ft. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.
What is the zoning in Kirwans Bridge?
The dominant planning zone in Kirwans Bridge is Farming Zone (FZ), though the suburb also includes Public Use Zone (PUZ7) and Public Park and Recreation Zone (PPRZ).
Does Kirwans Bridge have heritage-listed places?
Kirwans Bridge has 2 heritage-listed places on record.
What is the typical lot size in Kirwans Bridge?
Across 147 surveyed parcels in Kirwans Bridge, the median lot size is about 6,041 m². There are also 2 registered easements mapped in the suburb.
What is the population of Kirwans Bridge?
At the 2021 Census Kirwans Bridge had 134 usual residents, with a median age of 63 and an average household size of 2.1 people. The wider Nagambie statistical area, which contains Kirwans Bridge, went from 3,311 people in 2001 to 4,936 in 2025, up 49%.
Is Kirwans Bridge an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Kirwans Bridge scores 982 and sits in decile 5 of 10 nationally and decile 4 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Kirwans Bridge?
Median household income in Kirwans Bridge was $1,271 a week at the 2021 Census, against $1,375 for the typical suburb in Strathbogie. Median rent was $330 a week and the median mortgage repayment $1,246 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Goulburn Weir | 3.1 km | 40% | 89% |
| Bailieston | 5.9 km | 22% | 100% |
| Nagambie | 9.4 km | 52% | 98% |
| Whroo | 9.7 km | 1% | 100% |
| Wahring | 11.0 km | 59% | 100% |
| Murchison Greater Shepparton |
11.9 km | 19% | 100% |
| Tabilk | 14.4 km | 13% | 100% |
| Wirrate | 15.2 km | Not mapped | 100% |
| Murchison East Greater Shepparton |
15.6 km | 51% | 100% |
| Mitchellstown | 15.9 km | 13% | 98% |