Lucita Chon

Lucita Chon

Modified & Updated: 11 Oct 2023


Sydney Harbour Bridge, one of the most iconic landmarks in Australia, is a masterpiece of engineering and a symbol of the country’s rich history and architectural prowess. Spanning across the stunning Sydney Harbour, this magnificent bridge is not only a vital transportation route but also a major tourist attraction, drawing millions of visitors each year.

In this article, we will delve into 12 unbelievable facts about the Sydney Harbour Bridge that will leave you in awe of its grandeur and significance. From its construction and design to its fascinating statistics and historical milestones, we will explore the lesser-known aspects of this marvel and enrich your knowledge about this architectural wonder.

Table of Contents

The Bridge Took 8 Years to Build

Construction of the Sydney Harbour Bridge began in 1923 and was completed in 1932, taking a total of 8 years. It required more than 53,000 tons of steel to build this incredible structure.

It is the Widest Long-span Bridge in the World

With a width of 48.8 meters, the Sydney Harbour Bridge holds the distinction of being the widest long-span bridge in the world. Its impressive size allows for eight traffic lanes, two railway tracks, a pedestrian walkway, and a cycleway.

The Bridge Pylon Was Once Used as a Dance Hall

During the 1930s, the southeast pylon of the Sydney Harbour Bridge was converted into a dance hall. It operated for several years until World War II, hosting numerous lively dance parties and social events.

The Bridge is a Popular Site for Bridge Climbing

Sydney Harbour Bridge is one of the few bridges in the world where you can legally climb to the top. Bridge climbing tours started in 1998 and have become a popular attraction, providing breathtaking panoramic views of the city and its surroundings.

It Has Six Million Rivets

To hold the steel structure of the bridge together, it required the insertion of approximately six million rivets. These small metal fasteners ensure the integrity and strength of the bridge.

The Bridge Has Its Own Color: BridgeClimb Gray

The color used on the Sydney Harbour Bridge is known as “BridgeClimb Gray.” It was specially created to blend with the natural environment and complement the neighboring Sydney Opera House.

It Can Expand and Contract with Temperature Changes

Due to the extreme weather conditions in Sydney, the bridge was designed with an allowance for expansion and contraction. It can expand or contract up to 420 mm based on temperature fluctuations.

The Bridge Was Painted During World War II

To protect the Sydney Harbour Bridge from potential enemy attacks during World War II, it was painted in camouflage colors. This made the bridge less visible from the air and helped ensure its safety.

Around 2.7 Million People Participated in Its Opening Day Celebrations

On March 19, 1932, when the Sydney Harbour Bridge was officially opened to the public, approximately 2.7 million people took part in the grand celebrations. It remains one of the most significant events in Australian history.

It Has a Pedestrian Path and a Cycleway

In addition to vehicles and trains, the bridge also features a pedestrian path and a cycleway. This allows pedestrians and cyclists to enjoy the stunning views of Sydney Harbour while crossing the bridge on foot or by bike.

There are Over 8,000 Litres of Paint on the Bridge

To keep the bridge looking its best, a maintenance program ensures that over 8,000 litres of paint are applied to the structure every year. The process involves continuously repainting and maintaining the iconic bridge.

The Bridge Was Built by Dorman Long and Co. Ltd.

The construction of the Sydney Harbour Bridge was undertaken by British firm Dorman Long and Co. Ltd. They were also responsible for the construction of other notable bridges, such as the Tyne Bridge in Newcastle, England.

These 12 unbelievable facts about Sydney Harbour Bridge showcase the incredible engineering, rich history, and cultural significance of this iconic Australian landmark. Whether you admire it from afar or have the opportunity to walk across or climb it, the Sydney Harbour Bridge continues to captivate the hearts and minds of visitors from around the world.


The Sydney Harbour Bridge is truly an architectural marvel that has captured the hearts of locals and visitors alike. With its fascinating history, impressive design, and breathtaking views, it remains one of the most iconic landmarks in Australia. Whether you’re walking across it, climbing to its summit, or simply admiring it from a distance, the Sydney Harbour Bridge is a must-see attraction that will leave you in awe. So next time you find yourself in Sydney, make sure to add the Sydney Harbour Bridge to your itinerary – you won’t be disappointed!


1. How long did it take to build the Sydney Harbour Bridge?

The construction of the Sydney Harbour Bridge took approximately eight years, from 1923 to 1932.

2. Can you walk across the Sydney Harbour Bridge?

Yes, pedestrians are allowed to walk across the Sydney Harbour Bridge. There is a pedestrian pathway on the eastern side of the bridge where you can enjoy stunning views of the city.

3. Can you climb the Sydney Harbour Bridge?

Yes, the Sydney Harbour Bridge offers the thrilling experience of bridge climbing. It allows you to scale the bridge and enjoy panoramic views of the city and harbor.

4. How tall is the Sydney Harbour Bridge?

The Sydney Harbour Bridge stands at a height of 134 meters (440 feet) above the harbor water level.

5. How many cars can the Sydney Harbour Bridge carry?

The bridge has a total of eight lanes, allowing it to carry approximately 200,000 vehicles per day.

6. Are there any fees to walk across or climb the Sydney Harbour Bridge?

Yes, there are fees associated with walking across the Sydney Harbour Bridge and participating in the bridge climb. It is advisable to check the official website for the latest pricing and booking information.