GRSE launches steel Foot Suspension Bridge with spans up to 400 feet
Synopsis
GRSE — better known for warships — has quietly become India's largest builder of portable steel bridges, and its latest product pushes the envelope: a foot suspension bridge spanning 400 feet, validated by IIT-BHU, galvanised to last half a century, and deployable in terrain where no other structure can go. With over 5,900 bridges already supplied and exports reaching five countries, this is defence diversification with real civilian impact.
Key Takeaways
GRSE has developed a Steel Pedestrian Foot Suspension Bridge (FSB) with spans up to 400 feet (122 metres) , validated by IIT-BHU .
The FSB supports loads up to 400 kg , features anti-skid steel decking, and is built to last 45–50 years with periodic maintenance.
GRSE has supplied over 5,900 portable bridges to clients including the Indian Army , BRO , state PWDs, and NHIDCL .
The bridges are exported to Bangladesh , Bhutan , Nepal , Myanmar , and Sri Lanka .
GRSE holds ISO-9001:2015 certification and Green Channel Clearance for portable bridge fabrication and supply.
The 66-year-old DPSU is currently building 39 platforms , including nine warships and 13 export vessels .
Garden Reach Shipbuilders and Engineers (GRSE), the Navratna Defence Public Sector Undertaking (DPSU) based in Kolkata, has successfully developed a new Steel Pedestrian Foot Suspension Bridge (FSB) capable of spanning up to 400 feet (122 metres), adding a significant infrastructure product to its portfolio. The design has been vetted and validated by IIT-BHU, and the bridge conforms to IRC-6 Load Class 18R standards.
Key Technical Specifications
The newly developed FSB features a carriageway width of 2.20 metres and is designed to support pedestrians and light motor vehicles (LMV) carrying loads of up to 400 kg. The bridge is equipped with anti-skid steel decking, while high-tensile structural steel has been used for the main load-bearing elements.
According to a senior GRSE official, 'The bridge has a galvanised finish conforming to IS:2629. This allows it to last 45–50 years (with periodic maintenance).' The galvanised coating significantly extends the structure's service life even in harsh environmental conditions.
Where These Bridges Are Deployed
The FSB is designed specifically for rapid deployment in remote and inaccessible regions, facilitating connectivity and socio-economic development in difficult terrains. It can equally serve urban and rural settings as a supplementary pedestrian crossing alongside existing infrastructure.
GRSE has so far supplied over 5,900 bridges of various lengths and load-bearing capacities to a wide range of clients, including the Indian Army, the Border Roads Organisation (BRO), state Public Works Departments (PWDs), and the National Highways and Infrastructure Development Corporation (NHIDCL). The bridges have been deployed in significant numbers in Odisha and Chhattisgarh for rural development purposes.
Export Footprint and Disaster Management Role
GRSE's portable and modular steel bridges are also being exported to neighbouring countries including Bangladesh, Bhutan, Nepal, Myanmar, and Sri Lanka. Beyond peacetime connectivity, these quick-launch bridges play a critical role in disaster management — particularly in bridging breached roads where constructing an intermediate pier is not feasible.
The company holds an ISO-9001:2015 certification for the design, manufacturing, and supply of portable steel bridges, and has been awarded Green Channel Clearance for the fabrication and supply of Bailey and portable bridges — a recognition of superior quality and workmanship, according to the official.
GRSE's Broader Defence and Shipbuilding Profile
The 66-year-old DPSU shipyard has built over 800 vessels of various kinds, including 118 warships for the Navy and Coast Guard, of which 80 have been delivered to the Navy. It has also exported two warships. At present, GRSE is simultaneously building 39 platforms, including nine warships, 13 export vessels, and four advanced research ships.
The successful development of the FSB underscores GRSE's diversification beyond shipbuilding, reinforcing its position as India's leading manufacturer of portable steel bridges — a segment with growing strategic and humanitarian relevance.
Point of View
But the numbers tell a different story — over 5,900 structures supplied, five export markets, and now a 400-foot suspension bridge vetted by IIT-BHU. The strategic logic is sound: portable steel bridges are force multipliers for both the Army in border terrain and state governments in flood-prone districts. The question is whether GRSE can scale this product line without diverting engineering bandwidth from its expanding warship orderbook of 39 platforms. Defence PSUs that diversify well tend to do so with dedicated verticals, not shared capacity.
NationPress
31 Aug 2026
Frequently Asked Questions
What is the new bridge developed by GRSE?
GRSE has developed a Steel Pedestrian Foot Suspension Bridge (FSB) with spans of up to 400 feet (122 metres) and a carriageway width of 2.20 metres. The design conforms to IRC-6 Load Class 18R and has been validated by IIT-BHU.
How long will the GRSE foot suspension bridge last?
According to GRSE, the bridge is built to last 45–50 years with periodic maintenance, thanks to its galvanised finish conforming to IS:2629 standards.
Where are GRSE's portable bridges deployed?
GRSE's bridges have been supplied to the Indian Army, the Border Roads Organisation, state PWDs, and NHIDCL across India, with notable deployments in Odisha and Chhattisgarh. They are also exported to Bangladesh, Bhutan, Nepal, Myanmar, and Sri Lanka.
What role do GRSE bridges play in disaster management?
GRSE's quick-launch portable bridges are used to restore connectivity over breached roads during disasters, particularly in locations where building an intermediate pier is not feasible. Their rapid deployment capability makes them critical for emergency response.
What is GRSE's overall track record in bridge manufacturing?
GRSE has supplied over 5,900 portable steel bridges of various lengths and load capacities. It holds ISO-9001:2015 certification and Green Channel Clearance for Bailey and portable bridge fabrication, and is recognised as India's market leader in this segment.
