https://bridgehunter.com/ma/essex/bh89621 12 lanes in Greater Boston.
https://www.google.com/maps/place/O'Riley+Bridge/@42.7063886,-71.1391114,158m/data=!3m1!1e3!4m13!1m7!3m6!1s0x89e3e654c92294d1:0x71c57d04deaac42b!2sFitchburg,+MA+01420,+USA!3b1!8m2!3d42.5834228!4d-71.8022955!3m4!1s0x89e30759f3005353:0xa2b7e2d4c8ff7f4a!8m2!3d42.7065322!4d-71.1389074
https://www.google.com/maps/place/O'Riley+Bridge/@42.7680506,-71.1203883,158m/data=!3m1!1e3!4m13!1m7!3m6!1s0x89e3e654c92294d1:0x71c57d04deaac42b!2sFitchburg,+MA+01420,+USA!3b1!8m2!3d42.5834228!4d-71.8022955!3m4!1s0x89e30759f3005353:0xa2b7e2d4c8ff7f4a!8m2!3d42.7065322!4d-71.1389074
I-495
https://www.google.com/maps/place/42%C2%B042'23.4%22N+71%C2%B008'19.7%22W/@42.7686332,-71.1202977,158m/data=!3m1!1e3!4m4!3m3!8m2!3d42.70649!4d-71.1388?hl=en-US
I-95
https://www.google.com/maps/place/John+Greenleaf+Whittier+Bridge/@42.8346764,-70.9116284,3a,75y,90t/data=!3m8!1e2!3m6!1sAF1QipMZqQIqkqRaR8hwK5ZUetwLLo34obdOamOEQJ9c!2e10!3e12!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipMZqQIqkqRaR8hwK5ZUetwLLo34obdOamOEQJ9c%3Dw399-h298-k-no!7i3237!8i2413!4m14!1m5!3m4!2zNDLCsDQyJzIzLjQiTiA3McKwMDgnMTkuNyJX!8m2!3d42.70649!4d-71.1388!3m7!1s0x89e2e3def7cc68df:0x56e3d9845136d736!8m2!3d42.8346764!4d-70.9116284!14m1!1BCgIgAQ!16s%2Fg%2F1vd76y0v?hl=en-US 8 lanes
bridges
