Bhupen Hazarika Setu (Dhola–Sadiya Bridge)
A 9.15 km road bridge linking upper Assam with eastern Arunachal Pradesh; India's longest bridge when it opened.
Project at a glance
| Location | Dhola to Sadiya, Brahmaputra river system, Assam |
|---|---|
| Owner / agency | Ministry of Road Transport and Highways (SARDP-NE) |
| Completed / opened | 2017 |
| Sector | Bridges |
| Bridge length | 9.15 km |
Construction technology used
Construction details will be added once each one is confirmed by two official sources.
Key facts
- Cuts the road distance between Assam and eastern Arunachal Pradesh by about 165 km.
- Opened on 26 May 2017.
Learn the engineering behind it
- Segmental construction · Bridge Engineering
- Pile capacity · Geotechnical and Foundation Engineering
- Bridge foundations · Bridge Engineering
- Seismic design of bridges · Earthquake Engineering
Watch on YouTube
Sources
Facts on this page are taken only from official or authoritative sources (owner agencies, government releases, designers and contractors) and written in our own words. A figure is shown only when we could confirm it from at least two of the sources below; anything we could not confirm is left out. Spotted an error? Tell us.
Author: Indiacon. Last reviewed 24 Oct 2026. Educational summary; not an official project document.