During loading of {TAIL ~ the bridge} by traffic, an operational load may be applied to {HEAD ~ the first component} 
During loading of { TAIL ~ the bridge } by traffic , an operational load may be applied to { HEAD ~ the first component }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD