BROKEN BRIDGES: How a bridge inspection is done - Spokane, North Idaho News & Weather KHQ.com

BROKEN BRIDGES: How a bridge inspection is done

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Bridges are inspected by the agency that owns it. All these bridges are a part of what’s called the National Bridge Inventory. Bridges are inspected by the agency that owns it. All these bridges are a part of what’s called the National Bridge Inventory.
SPOKANE, Wash. -

Bridges are inspected by the agency that owns it. All these bridges are a part of what’s called the National Bridge Inventory. These bridges are mostly inspected at least every two years. If the bridge is more problematic, those inspections are more frequent.

Inspectors have a sheet to go off of, where they give a number rating for each element of the bridge, like the guardrails, the deck (the surface you drive on), or the abutments. Bridge inspectors say when that number gets to 1 or 0, that’s when they need major repairs.

RELATED: Broken Bridges: A closer look at a crumbling piece of our transportation system

All these inspection sheets are sent to the state. Then, the state funnels it up the chain to the federal agencies and that information is recorded in the National Bridge Inventory.

The results of the inspection determine what kind of maintenance the bridges need. Then maintenance crews go out to get those repairs done as they can. Those workers also include dive teams to maintain the parts of the bridge you can’t see.

http://www.fhwa.dot.gov/bridge/nbis.cfmb

Wednesday night on KHQ Local News at 6pm, we look at the question of how broken our bridges in the Inland Northwest are and what engineers are doing to make sure we’re safe.

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