<?php
// PHP Fatal error:  Call to a member function getFrontNameByRoute() on a non-object in /var/www/magento-testing/magento/app/code/core/Mage/Core/Controller/Varien/Front.php on line 199

// Seems like $routesinfo does not contain admin and standard
// Mage_Core_Controller_Varien_Front
// This hack would work:
$routersInfo = Mage::app()->getConfig()->getNode('default/web/routers')->asArray();