In the 1960s, the National Transport Commission identified the need to improve the first 30 kilometres of the N3 from Durban to Pietermaritzburg to accommodate an estimated annual traffic growth of six percent.
A key objective was bypassing Field's Hill, which was known for its steep grades, sharp curves, frequent traffic congestion, and poor safety record.
The viaduct was constructed using incremental launching techniques and includes: Despite the extensive earthworks, special attention was given to minimizing environmental impact.
Toll tariffs were set to maximize income while ensuring cost savings for users compared to the alternative Field's Hill route.
In May 2016, an oil tanker and a heavy goods truck collided about 100 meters before the arrester bed, obstructing the highway and resulting in severe injuries.