In 1971, the old Temerloh Bridge spanning across the Pahang River was collapsed due to the huge flood in Temerloh.

[1] The Sultan Ahmad Shah Bridge was much higher than the old bridge, forming the first grade-separated interchange in Pahang that was linked to the Federal Route 10.

The new bridge project also included a new roadway that bypassed Temerloh and Mentakab, causing the former Temerloh-Mentakab section to be re-gazetted as the Federal Route 87.

[2] The construction of the Sultan Ahmad Shah Bridge was completed in 1974.

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