Building bridges in Afghanistan requires more than bricks-and-mortar.

It requires deft diplomacy and an appreciation of tribal politics, especially if the bridge in question is to survive sabotage attempts by the Taliban.

That is why the commander of NATO-led forces, Afghan military leaders and government officials traipsed up to this isolated town in northern Afghanistan at the weekend to meet men whose cooperation they sought; eleven bearded elders from Bala Morghab.

"That bridge is just one small bridge but it''s a symbol to the people who live here that if security improves we can bring improvements to the people here," General David McKiernan, commander of 50,000 NATO-led troops in Afghanistan, told Reuters.

"You sit around and speak to scholars, village elders and leaders and that''s the way business is done," he said. "We''re going to sit down at a shura. It''s certainly more effective than trying to impose a foreign way."

Afghanistan''s tribal heartlands are administered by a traditional system where elders, respected senior male figures within communities, resolve disputes and make decisions by forming a "shura" -- a consultation.

It is a system which the coalition wants to work with to gain the trust of influential decision makers in remote areas where insurgents can find a foothold.

While pleasantries were exchanged between the turban-clad, elders and the Kabul-based officials dressed in military fatigues, the fate of 17 Afghan soldiers captured by Taliban militants nearby on Thursday, hung in the balance.

Thirteen more soldiers and police were killed in the ambush.

"The village leaders, they know what''s happening in their communities, so hopefully they''ll have a voice to those Taliban that have these soldiers and hopefully secure their release," McKiernan said.