 Nyorai mberi kweiyi ndima - Nzira yazvino yeSR 16 inotevedza nzira yemigwagwa mikuru yenyika yakasainwa mukati mezana ramakore rechi20, yekutanga yaive State Road 14. State Road 14 yakafamba kuchamhembe kubva kuShelton kuenda kuGorst uye kumaodzanyemba kupinda muGig Harbor senzira huru yekubatanidza pakati peOlympic neKitsap peninsulas. State Road 14 yakasarudzwazve muna 1937 sePSH 14 uye yaisanganisira mugwagwa wechipiri unonzi SSH 14C uyo wakafamba kubva kuGig Harbor kuenda kuTacoma Narrows, nzvimbo yebhiriji rakamiswa riri kuvakwa kuvhurwa muna 1940. PSH 14 yakawedzerwa kumaodzanyemba kwakadziva kumabvazuva pamusoro peSSH 14C uye isina kupera Tacoma Narrows Bridgekuguta reTacoma sechikamu chokutamisirwa kwechivako chebhiriji kuhurumende yeWashington muna 1939. Pashure pokuparara kwebhiriji rokutanga pana November 7, 1940, PSH 14 yakadimburirwa kuGig Harbor uye motokari yakatungamirirwa kune chikepe chakasvika muManchester. Yechipiri Tacoma Narrows Bridge yakavhurwa musi waOctober 14, 1950, uye PSH 14 yakawedzerwa gore rakatevera kuti ipindane neU.S. Route 99 US 99 muDowntown Tacoma. 