## Facts about the Sydney Harbour Bridge

## Here are some interesting facts about the Sydney Harbour Bridge for both Adults and Kids alike.

- The Length of each arch span is 503 metres
- The Height to the top of the aircraft beacon is 141 metres above mean sea level
- Width of the Sydney Harbour Bridge’s deck is 49 metres
- Clearance for shipping and vessels is 49 metres
- Height of the Bridges pylons are 89 metres above mean sea level
- The bridges base of each abutment tower is 68 metres across and 48 metres long
- Each of the four bearing pins measures 4.2 metres long and 368 millimetres in diameter
- The Thrust on bearings Under maximum load is approximately 20,000 tonnes on each bearing
- The total Number of rivets is Approximately 6,000,000
- The Largest rivet Weighed 3.5 kilograms and was 395 millimetres long
- The longest hanger is 58.8 metres and the Shortest hanger is 7.3 metres
- Total weight of steelwork on the bridge is 52,800 tonnes including arch and mild steel approach spans
- Weight of the arch is 39,000 tonnes
- The amount of rock excavated for foundations is 122,000 cubic metres
- A massive amount of concrete was used for bridge – 95,000 cubic metres
- The Granite facing used on pylons and piers is 17,000 cubic metres
- The Allowance for deck expansion 420 millimetres
- The Allowance for arch expansion – The arch may rise or fall 18 centimetres due to heating or cooling
- Number of panels in arch 28, each 18.28 metres wide
- Record tonnage erected 589 tonnes of steelwork was erected on the arch in one day on 26 November 1929
- Paint required – 272,000 litres of paint were required to give the Bridge its initial three coats

**Facts about the sydney harbour bridge** – How old is the Sydney Harbour Bridge?

The Sydney Harbour Bridge was opened in 1932 which would make it 79 years old in the year 2011.

### facts about the sydney harbour bridge – What type of bridge is the Sydney Harbour Bridge?

The Sydney Harbour bridge is a is a steel through arch single span bridge.

### facts about the sydney harbour bridge – who long is the sydney harbour bridge

The Total length of the sydney bridge is 1149 metres including approach spans

Well there you have it. Some very interesting *Facts about the Sydney Harbour Bridge*.