| Bridge Name: | Sungai Pahang Bridge |
| Official Name: | Sultan Ahmad Shah II Bridge (Semantan Bridge) |
| Native Name: | Jambatan Sultan Ahmad Shah II (Jambatan Semantan) |
| Locale: | East Coast Expressway |
| Carries: | Motor vehicles, Pedestrians |
| Crosses: | Pahang River |
| Mainspan: | -- |
| Length: | 700 m |
| Width: | -- |
| Open: | 2004 |
| Maint: | ANIH Berhad (formerly MTD Prime Sdn Bhd) |
| Design: | arch bridge |
| Designer: | Government of Malaysia Malaysian Highway Authority (LLM) MTD Infraperdana Sdn Bhd |
| Builder: | MTD Construction Sdn Bhd |
| Coordinates: | 3.5114°N 102.4311°W |
Sultan Ahmad Shah II Bridge or Semantan Bridge is the longest highway bridge in the East Coast Expressway network. It bridges the Pahang River in Pahang, Malaysia. This 700-metre bridge was opened when the East Coast Expressway was built. It crosses the Pahang River, the longest river in west Malaysia. At the entrance of the bridge there are 2 elephant trunks which symbolize Pahang. There also many colorful lights around this bridge. This bridge was opened by Sultan of Pahang, Sultan Ahmad Shah on 22 April 2004. Near the bridge is the Temerloh Rest and Service Area (both bound).