38 bridges with vertical clearance data on SR-1 in Maine. Lowest: 138.5ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 138.5ft | Us 1 Byp | Dennett Rd | Rte 1 Bypass | 2010 | Map |
| 138.5ft | Us 1 Byp | Rogers Rd Nb & Sb | 1.2 Mi Ne Me Side | 2014 | Map |
| 142.7ft | Sb Us 1 | Ramp Us 1 To I-95 | 350 Ft E Of Ramp H/I95 | 1947 | Map |
| 143.4ft | Route 1 | Route 215 (Mill Rd) | 1 Mi W Townline | 1959 | Map |
| 143.4ft | Presque Isle Rd | Water St | 0.5 Mi N Of Jct Rte 161 | 1968 | Map |
| 145.0ft | Us 1 Byp | Piscataqua River & Roads | Maine-New Hampshire Sl | 2018 | Map |
| 145.0ft | Route 1 | Academy Hl | 1.5 Mi W Townline | 1961 | Map |
| 145.7ft | Route 1 | Ramp A | 1.7 Mi. W. Townline | 1961 | Map |
| 147.6ft | Union St | Broad St | 1 Mi N Of I-395 | 1955 | Map |
| 154.9ft | Route 1 Byp | Route 3 (Belmont Av) | Jct Of Rte'S 1& 3 | 1973 | Map |
| 172.6ft | Wilson St | I-395 | Route 1A Over I-395 | 2021 | Map |
| 174.2ft | Route 1 | 295/Nb Ramp 295 To 1/Ptr | .5 Mi S Townline | 1974 | Map |
| 176.8ft | Portland Rd | B & M Rr | 0.3 Mi S Of Biddeford | 1937 | Map |
| 180.1ft | One St | Piscataqua River Nh Road | Maine-New Hamsphire Sl | 2013 | Map |
| 194.9ft | Us 1 | Little River | .2 Mi N Jct Rte 190 | 1956 | Map |
| 210.0ft | Elm St | Saco River (W Or S Chan) | 0.2 Mi W'Ly Of Saco T.L. | 1985 | Map |
| 210.0ft | Main St | Ptrr | 0.7 Mi Ne'Ly Jct Rte 9St | 1993 | Map |
| 211.6ft | Route 1 | Mcrr (State Rr) | 0.5 Mi W Of Townline | 1957 | Map |
| 214.2ft | Fore River Pky | Mountain Division Rr | .3 Mi East Of I-295 | 2005 | Map |
| 220.1ft | Atlantic Hwy | St. George River | 4 Mi. E. Of Rte. 90 | 1991 | Map |
| 224.1ft | Us 1 Sb | Maine Central Rr | .2 Mi E Townline | 1966 | Map |
| 225.1ft | Post Rd | B & M Rr | 1.4 Mi So Townline | 1981 | Map |
| 225.1ft | Us 1 | Orange River | 1 Mi W Of Jct Rte 189 | 2018 | Map |
| 225.1ft | Atlantic Hwy | Smo Rr (Allen'S Siding) | 1.1 Mi E'Ly Of Jct Rte 32 | 1997 | Map |
| 225.1ft | Van Buren Rd | B & A Rr (No Tracks) | 2.1 Mi N Of Jct Rte 89 | 1936 | Map |
| 225.7ft | Leeman Hwy | Middle St | 0.1 Mi E Of Jct Rte 209 | 2017 | Map |
| 230.0ft | Wilson St | Mcrr | 0.2 Mi Nw Of Holden Tl | 1984 | Map |
| 230.0ft | Main St | M C Rr & A Marsh | 1.1 Mi Ne Of Bath T L | 2024 | Map |
| 231.6ft | Limestone Rd | Aroostook Riv Aband'D Rr | 200 Ft Ne Ofjct Rte 161 | 1956 | Map |
| 231.6ft | Route 1N | Maine Central Rr | .2 Mi E Townline | 1966 | Map |
| 232.6ft | Houlton Rd | B&A Rr | 1.0 Mi S Of Jct Rte 161 | 1958 | Map |
| 237.9ft | Fore River Pky | Mercy Access Rd. Grs | .5 Miles East Of I-295 | 2005 | Map |
| 240.2ft | Us 1 | B & A Rr | 0.3 Mi S Of Jct Rte 161 | 1971 | Map |
| 250.0ft | Us 1 | Pennamaquam River | 1.5 Mi E Jct Rte 214 | 1951 | Map |
| 250.0ft | Route 1 | Penobscot River(S Chan) | County Line | 2007 | Map |
| 252.6ft | Main Rd | M C Rr | 6 Mi S Jct Of Rte 46 | 1973 | Map |
| 440.0ft | Route 1 | Damariscotta River | 1.5 Mi E Us1B | 1961 | Map |
| 540.0ft | Searsport Av | Passagassawaukeag + Rr | 0.1 Mi W Of Jct Rte 141 | 1963 | Map |