164 bridges with vertical clearance data on I-495 in Massachusetts. Lowest: 133.2ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 133.2ft | I 495 Nb | Tr Amesbury Riverwalk | .1 Mi N Exit 55 | 2016 | Map |
| 133.9ft | I 495 Sb | Tr Amesbury Riverwalk | .1 Mi N Of Exit 55 | 2016 | Map |
| 138.1ft | I 495 Sb | St213 | 1 Mi N St110 | 1964 | Map |
| 138.5ft | I 495 Upper Level | I 495 Lower Level | At Merrimac River | 1962 | Map |
| 139.8ft | I 495 Nb | Hwy Amesbury Line Rd | 3.2 Km N St-110 | 1964 | Map |
| 139.8ft | I 495 Sb | St110 /St113/Merrimack | At Merrimac River | 1963 | Map |
| 140.7ft | I 495 Nb | St110 Amesbury Rd | 3.5 Km N St125 | 1964 | Map |
| 140.7ft | I 495 Sb | Hwy Boston Rd | 0.2 Mi N Of St-110 | 1959 | Map |
| 141.4ft | I 495 Nb | Hwy Golden Cove Rd | 0.1 Mi E Rt 110 | 1960 | Map |
| 141.4ft | I 495 Nb | Hwy Stow Rd | 3 Mi Ne St-117 | 1963 | Map |
| 141.4ft | I 495 Sb | St110 Amesbury Rd | 3.7 Km N St125 | 1964 | Map |
| 141.4ft | I 495 Nb | Hwy Donald Lynch Blvd | .1 Mi N Of I-290 | 1963 | Map |
| 141.7ft | I 495 Nb | Hwy Tadmuck Rd | 0.4 Mi N Of Rt 110 | 1961 | Map |
| 142.4ft | I 495 Sb | St133 Andover St | Rt 495 At Rt 133 | 1961 | Map |
| 143.0ft | I 495 Sb | St108 Newton Rd | .7 Mi S St110 | 1964 | Map |
| 143.0ft | I 495 Sb | Hwy Middle Rd | 1.6 Km N St110 | 1964 | Map |
| 143.0ft | I 495 Sb | Hwy Haven St | .9 Mi. S. Hopkinton T.L. | 1967 | Map |
| 143.0ft | I 495 Nb | St 38 Main St | Rt 495 At Rt 38 | 1961 | Map |
| 143.0ft | I 495 Sb | St 9 Turnpike Rd | 1.5 Mi. N. Of I-90 | 1964 | Map |
| 143.0ft | I 495 Sb | St225 Concord Rd | @Mm 81.7 | 1959 | Map |
| 143.0ft | I 495 Nb | St 1 A/South St | At St 1A | 1966 | Map |
| 143.4ft | I 495 Sb | Hwy Donald Lynch Blvd | .1Mi. N.W. Of I-290 | 1963 | Map |
| 143.4ft | I 495 Nb | Hwy Haven St | .9 Mi S Of Hopkinton T.L. | 1967 | Map |
| 144.0ft | I 495 Nb | Hwy Main St | .6 Mi N Exit 54 | 1964 | Map |
| 144.0ft | I 495 Nb | Hwy S Bolton Rd | 1.75 Mi S Of St-117 | 1963 | Map |
| 144.0ft | I 495 Nb | Hwy W Main St | 1.1 Mi S Of St-135 | 1966 | Map |
| 144.0ft | I 495 | St 28 Wareham St | 3 M W Of Carver Tl | 1958 | Map |
| 144.0ft | I 495 Nb | St133 Andover St | Rt 495 At Rt 133 | 1961 | Map |
| 144.7ft | I 495 Sb | St150 | At Exit 54 | 1967 | Map |
| 144.7ft | I 495 Nb | St 62 Central St | .25 Miles W Of Hudson Tl | 1963 | Map |
| 144.7ft | I 495 Sb | St 62 Central St | 0.25 Mi West Of Hudson Tl | 1963 | Map |
| 144.7ft | I 495 Sb | Hwy S Bolton Rd | 1.75 Mi S Of St-117 | 1963 | Map |
| 144.7ft | I 495 Sb | Hwy Commonwealth Dr | .4 Mi N Merrimac River | 1962 | Map |
| 144.7ft | I 495 Nb | I 95 | At End Of I495 | 1969 | Map |
| 144.7ft | I 495 Sb | St 38 Main St | Rt 495 At Rt 38 | 1961 | Map |
| 145.7ft | I 495 Sb | Hwy Middle Rd | 2.3 Mi S Exit 54 | 1964 | Map |
| 145.7ft | I 495 Nb | Hwy Middle Rd | 2.3 Mi S Exit 54 | 1964 | Map |
| 145.7ft | I 495 Sb | Hwy Haggetts Pond Rd | At I-495 | 1961 | Map |
| 145.7ft | I 495 Nb | St110 Chelmsford St | Rt 495 At Rt 110 | 1960 | Map |
| 145.7ft | I 495 Nb | Hwy Summer St | Mm40, .3 Mi N Of Wrntm Tl | 1966 | Map |
| 145.7ft | I 495 Sb | Hwy W Main St | Mm 54.6 | 1966 | Map |
| 145.7ft | I 495 Sb | St109 Medway Rd | Mm 48.6 | 1968 | Map |
| 145.7ft | I 495 Sb | Hwy Northboro Rd | .5 Mi. N. Of Main St | 1963 | Map |
| 145.7ft | I 495 Sb | Hwy Charlotte Furnc Rd | 1.5 M S Of Rte 58 | 1967 | Map |
| 145.7ft | I 495 Nb | Hwy Flanders Rd | 1.7 Mi Se Of St-9 | 1966 | Map |
| 146.7ft | I 495 Nb | Hwy Haggetts Pond Rd | At I-495 | 1961 | Map |
| 146.7ft | I 495 Nb | Hwy Beacon St | 1.4 Mi N I93 | 1962 | Map |
| 146.7ft | I 495 Sb | Hwy Stow Rd | 3 Mi Ne St-117 | 1963 | Map |
| 146.7ft | I 495 Sb | Hwy Woburn St | At I495 & Woburn St. | 2011 | Map |
| 146.7ft | I 495 Nb | Hwy Berlin Rd | .5 Mi. S. Of I-290 | 1963 | Map |
| 146.7ft | I 495 Nb | Hwy Pine St | 2 M N Of Rochester Tl | 1964 | Map |
| 146.7ft | I 495 Nb | St 85 Cedar St | 1 Mi. N. Of St.16 | 1967 | Map |
| 146.7ft | I 495 Nb | St 16 E Main St | Mm48.9, 0.5 Mi N Of St109 | 1968 | Map |
| 146.7ft | I 495 Nb | St109 Medway Rd | 1 Mi. S. Of St-16 | 1968 | Map |
| 147.3ft | I 495 Sb | Hwy Main St | .6 Mi N Exit 54 | 1964 | Map |
| 147.3ft | I 495 Sb | Hwy Amesbury Line Rd | 500' Se Of St-110 | 1964 | Map |
| 147.3ft | I 495 Nb | I 90 | Mm 106.4 | 1965 | Map |
| 147.3ft | I 495 Sb | Hwy Berlin Rd | 0.5 Mi S. I-290 | 1963 | Map |
| 147.3ft | I 495 Nb | St110 /St113/Merrimack | At Merrimac River | 1963 | Map |
| 147.3ft | I 495 Nb | St213 | 1 Mi N St110 | 1964 | Map |
| 147.3ft | I 495 | Hwy Massachusetts Ave | .5 Mi S Merrimac River | 1963 | Map |
| 148.3ft | I 495 Nb | St110 | At Exit 55 | 1964 | Map |
| 148.3ft | I 495 Sb | St 28 Sb/N Main St | 2.4 Mi N I93 | 1962 | Map |
| 148.3ft | I 495 Nb | Hwy Beaver St | .7 Mi Se Of St 140 | 1966 | Map |
| 148.3ft | I 495 Sb | Hwy Beaver St | .7 Mi Se Of St 140 | 1966 | Map |
| 148.3ft | I 495 Sb | Hwy Ramps A & B | .3 Mi N Merrimac River | 1962 | Map |
| 148.3ft | I 495 Ramp K | Hwy Commonwealth Dr | 350' E Of Marston St | 2002 | Map |
| 148.3ft | I 495 Nb | Hwy Woburn St | At Jct I495 & Woburn St. | 2011 | Map |
| 148.3ft | I 495 Nb | Hwy Boston Rd | Exit 83/N Of 110 | 1959 | Map |
| 149.0ft | I 495 Sb | St110 | At Exit 55 | 1964 | Map |
| 149.0ft | I 495 Nb | St117 Main St | Mm 70, Rt 495 Over Rt 117 | 1963 | Map |
| 149.0ft | I 495 Sb | Hwy King St | I-495 @ Exit 16 | 1966 | Map |
| 149.0ft | I 495 Nb | St135 Wood St | Mm 55.3 | 1966 | Map |
| 149.0ft | I 495 Sb | St 16 E Main St | Mm48.9, 0.5 Mi N Of St109 | 1968 | Map |
| 149.0ft | I 495 Sb | Us 1 Washington St | I 495 At Us 1 | 1965 | Map |
| 149.0ft | I 495 Nb | Us 1 Washington St | I 495 At Us 1 | 1965 | Map |
| 149.0ft | I 495 Sb | St 30 Main St | 1.25 Miles No. Of State 9 | 1962 | Map |
| 149.0ft | I 495 Nb | Hwy Northboro Rd | .5 Mi. N. Of Main St | 1963 | Map |
| 149.0ft | I 495 Sb | Hwy Flanders Rd | 1.7 Mi Se Of St-9 | 1966 | Map |
| 149.9ft | I 495 Nb | Hwy River Rd | @Mm 65.6 | 1963 | Map |
| 149.9ft | I 495 Sb | St 85 Cedar St | 1 Mi. N. Of St.16 | 1967 | Map |
| 151.6ft | I 495 Nb | Hwy King St | I-495 @ Exit 16 | 1966 | Map |
| 151.6ft | I 495 Sb | Hwy Summer St | Mm40, .3 Mi N Of Wrntm Tl | 1966 | Map |
| 151.6ft | I 495 Nb | St 30 Main St | 1.25 Miles No Of St. 9 | 1962 | Map |
| 151.6ft | I 495 Nb | St 9 Turnpike Rd | 1 Mi.Nth.Of I-90 | 1962 | Map |
| 153.2ft | I 495 Sb | Hwy River Rd | @Mm 65.6 | 1963 | Map |
| 153.2ft | I 495 Sb | St114 Winthrop Ave | .7 Mi N St28 | 1962 | Map |
| 153.2ft | I 495 Sb | Comb Forbs//Amtrak/Mbta | 1.9 Mi E Of I 95 | 1978 | Map |
| 154.2ft | I 495 Nb Ramp N | Comb Sutton St & Mbta | Next To I495 | 1963 | Map |
| 155.5ft | I 495 Nb | St150 | At Exit 54 | 1967 | Map |
| 155.5ft | I 495 Sb | St117 Main St | Mm 70 / Rt 495 At Rt 117 | 1963 | Map |
| 156.5ft | I 495 Sb | Hwy Beacon St | 1.4 Mi N I-93 | 1962 | Map |
| 156.5ft | I 495 Nb | Hwy Charlotte Furnc Rd | 1.5 M S Of Rte 58 | 1966 | Map |
| 157.5ft | I 495 Nb | Hwy School St | 2.0 Mi E Of I 95 | 1978 | Map |
| 158.1ft | I 495 Sb | Hwy Tadmuck Rd | 0.5 Mi N Of Boston Rd | 1961 | Map |
| 158.5ft | I 495 Sb | Hwy Pine St | 2 M N Of Rochester Tl | 1964 | Map |
| 159.1ft | I 495 Sb | Hwy School St | 2 Mi E Of I 95 | 1978 | Map |
| 159.1ft | I 495 Nb | Comb Forbs//Amtrak/Mbta | 1.9 Mi E Of I 95 | 1978 | Map |
| 159.8ft | I 495 Sb | I 93 | Jct I-93 & I-495 | 1961 | Map |
| 159.8ft | I 495 Sb | I 95 Sb | I 495 At I 95 | 1965 | Map |
| 159.8ft | I 495 Nb | I 95 Nb | I 495 At I 95 | 1965 | Map |
| 162.4ft | Hwy Lwl Con B-11 | I 495 | 0.4 Km E Rt 495 & Rt 3 | 1959 | Map |
| 162.4ft | I 495 Nb | Hwy Ramps A & B | .3 Mi N Merrimac River | 1962 | Map |
| 163.1ft | I 495 Sb | St110 Chelmsford St | Rt 495 At Rt 110 | 1960 | Map |
| 163.1ft | Hwy Marstn St Nb | I 495 Ramp J | 1/2 Mi. S. Of Cmmnwlth Dr | 2002 | Map |
| 163.1ft | I 495 Ramp E | I 495 Ramps A & B | .3 Mi N Merrimac River | 2004 | Map |
| 164.0ft | I 495 Sb | Us 3 | Rt 495 At Rt 3 | 2004 | Map |
| 164.0ft | I 495 Nb | I 95 Sb | I 495 At I 95 | 1965 | Map |
| 164.0ft | I 495 Sb | I 95 Nb | I 495 At I 95 | 1965 | Map |
| 164.7ft | I 495 Nb | I 93 | Jct I-93 & I-495 | 1961 | Map |
| 164.7ft | I 495 Nb | Us 3 | Rt 495 At Rt 3 | 2004 | Map |
| 165.7ft | I 495 Nb Off Ramp | I 495 & Ramp B | .6 Mi N Of Southboro Tl | 2000 | Map |
| 165.7ft | I 495 Nb | Other Bike Trail | .1 Mi. Sth. Of St-16 | 1968 | Map |
| 167.3ft | I 495 Sb | St 24 Sb | I 495 At St 24 | 1979 | Map |
| 167.3ft | I 495 Nb/St 2 Cd | St 2 | 2 Mi.Nth.Of St.111 | 2015 | Map |
| 167.3ft | I 495 Sb | St 1 A/South St | At St 1A | 1966 | Map |
| 168.3ft | I 495 Nb | St225 Concord Rd | Mm 81.7 Of 495 Nb | 1959 | Map |
| 169.0ft | I 495 Nb | St 24 Sb | I 495 At St 24 | 1979 | Map |
| 169.9ft | I 495 Nb | St108 Newton Rd | .7 Mi S St110 | 1964 | Map |
| 170.6ft | I 495 Nb | Hwy Middle Rd | 0.25 Mi S Of St-110 | 1964 | Map |
| 171.6ft | I 495 Sb | St 2 | 2Mi.Nth.Of St.111 | 2015 | Map |
| 171.6ft | I 495 Nb On Ramp | I 495 & Ramp D | .5 Mi N Of Southboro T.L. | 2000 | Map |
| 172.2ft | I 495 Nb | St 2 | 2 Mi.Nth.Of St.111 | 2015 | Map |
| 173.2ft | I 495 Nb | Hwy Commonwealth Dr | .4 Mi N Merrimac River | 1962 | Map |
| 173.9ft | I 495 Sb | Other Bike Trail | Just S. Of Mm 48.8 | 1968 | Map |
| 178.1ft | Hwy Marstn St Nb | I 495 Ramps A & K | .25 Mi. S. Commonwealth D | 2002 | Map |
| 179.1ft | I 495 Sb | Hwy Golden Cove Rd | 0.1 Mi E Rt 110 | 1960 | Map |
| 180.8ft | I 495 Nb | St114 Winthrop Ave | .7 Mi N St28 | 1962 | Map |
| 184.1ft | I 495 Nb | St 28 Sb/N Main St | 2.4 Mi N I93 | 1962 | Map |
| 187.3ft | I 495 Nb | Rr Mbta/Csx | .2 Mi S Of Exit 43/Rt140 | 1966 | Map |
| 187.3ft | I 495 Sb | Rr Mbta/Csx | .2 Mi Se Of St 140 | 1966 | Map |
| 188.3ft | I 495 | Comb St105 & Mbta/Macrr | .25 Mi W Of Rte 28 | 1958 | Map |
| 188.3ft | I 495 Sb | Rr Pcrr (Abandoned) | .2 Mi W Of St 1A | 1966 | Map |
| 192.6ft | I 495 Sb | Rr Bmrr (Abandoned) | 0.1 Mi N Of St-62 | 1963 | Map |
| 194.2ft | I 495 Nb | Rr Bmrr (Abandoned) | 0.1 Mi N Of St-62 | 1963 | Map |
| 199.1ft | I 495 Sb | Rr Mbta (Abandoned) | .4 Mi E Of Taunton C.L | 1978 | Map |
| 199.1ft | I 495 Nb | Rr Mbta (Abandoned) | .4 Mi E Of Taunton Tl | 1978 | Map |
| 201.8ft | I 495 Nb | Comb Mdc Aqueduct & Csx | Mm 61.2 /1.5 Mi N Of St-9 | 1962 | Map |
| 201.8ft | I 495 Sb | Comb Mdc Aqueduct & Csx | Mm 61.2 /1.5 Mi N Of St-9 | 1962 | Map |
| 206.4ft | I 495 Nb | Rr Pcrr (Abandoned) | .2 Mi W Of St 1A | 1966 | Map |
| 210.0ft | I 495 Sb | Other Bruce Freeman Rail | 0.5 Mile N. Of Rte 110 | 1959 | Map |
| 219.8ft | I 495 Nb | Rr Mbta/Bmrr | 50 Ft S Of Woburn St Exit | 2011 | Map |
| 221.5ft | I 495 Sb | Rr Mbta/Bmrr | 50 Ft S Of Woburn St Exit | 2011 | Map |
| 223.4ft | I 495 Nb | Other Bruce Freeman Rail | .5 Mile N. Of Rt 110 | 1959 | Map |
| 225.1ft | I 495 Sb | Comb Bmrr & Little Riv | Mile Marker 108.4 | 1961 | Map |
| 225.1ft | I 495 Nb | Comb Bmrr & Little Riv | 1 Mi N Of St-97 | 1961 | Map |
| 225.1ft | I 495 Sb | Rr Pan Am | 0.25 Mi S Of St-38 | 1961 | Map |
| 225.7ft | I 495 Sb | Rr Mbta/Bmrr | 2.6 Mi N I93 | 1962 | Map |
| 225.7ft | I 495 Nb & On-Ramp | Rr Mbta/Bmrr | 2.6 Mi N Of I-93 | 1962 | Map |
| 225.7ft | I 495 Sb | Rr Csx | .8 Mi Nw Of King St | 1966 | Map |
| 225.7ft | I 495 Nb | Rr Csx | .8 Mi N Of King St | 1966 | Map |
| 225.7ft | I 495 Nb | Rr Pan Am | 0.25 Mi S Of St-38 | 1961 | Map |
| 230.0ft | I 495 Nb | Rr Mbta/Csx | 1.4 Mi So. Of St 9 | 1968 | Map |
| 230.6ft | I 495 Sb | Rr Mbta/Csx | 600 Ft N Of Hopkinton Tl | 1968 | Map |
| 232.3ft | I 495 | Rr Mbta/Csx Qnb 20.82 | Csx Track Mp Qnb 20.82 | 1958 | Map |
| 232.6ft | I 495 Sb Ramp L | Comb Merrimack St & Mbt | .16 Km W I495 | 1963 | Map |
| 232.9ft | I 495 Sb | Rr Mbta/Bmrr | 0.5 Mi N Of Rt 2 | 1959 | Map |
| 234.3ft | I 495 Nb | Rr Mbta/Bmrr | 0.5 Mi Ne Rt 2 | 1959 | Map |
| 234.9ft | I 495 | Comb Merrimac St & Mbta | .32 Km S Merrimac River | 1962 | Map |
| 253.3ft | I 495 Sb | St 28 Nb/Union St | 2.5 Mi N I93 | 1962 | Map |
| 259.8ft | I 495 Nb | St 28 Nb/Union St | 2.5 Mi N I93 | 1962 | Map |
| 3248.0ft | I 495 Nb | Water Merrimack River | .4 Mi S St110 | 2021 | Map |
| 3248.0ft | I 495 Sb | Water Merrimack River | .4 Mi S St110 | 2022 | Map |
| 3248.0ft | I 495 & Access Rps | Water Merrimack River | At Merrimac River | 1962 | Map |