Bridges in Massachusetts

5,311Total Bridges

1,291Good

3,519Fair

501Poor

Bridge Conditions in Massachusetts

Massachusetts has 5,311 bridges tracked in the National Bridge Inventory. Of these, 501 (9%) are rated as poor condition — meaning at least one major component has significant deterioration. The average bridge in Massachusetts is 64 years old.

Massachusetts Bridge Facts

Total Bridges	5,311
Good Condition	1,291
Fair Condition	3,519
Poor Condition	501
Average Bridge Age	64 years
Longest Bridge	5779.9 ft

Longest Bridges in Massachusetts

I 195 over Comb St79 & Taunton Riv5779.9 ftFair US 1 Sb/uppr Deck over US 1 Nb/chel Lwr Deck3349.1 ftPoor I 91 & Rmps L & M over I 291 & City Sts3196.9 ftFair US 1 Nb/low Deck over HWY Chelsea Local Stre2829.1 ftPoor I 391 & Ramps Abcd over Comb Main ST & Pvrr2559.4 ftFair

Counties in Massachusetts

Barnstable107 bridges4 poor Berkshire450 bridges52 poor Bristol387 bridges27 poor Dukes5 bridges Essex397 bridges66 poor Franklin314 bridges39 poor Hampden429 bridges32 poor Hampshire258 bridges25 poor Middlesex821 bridges91 poor Nantucket2 bridges Norfolk343 bridges21 poor Plymouth288 bridges17 poor Suffolk490 bridges49 poor Worcester1020 bridges78 poor

Poor Condition Bridges in Massachusetts

Bridge	County	Length	Traffic	Year
ST 3 over HWY Union ST N Rotary	Norfolk	144.0 ft	204,310	1957
I 93 over I 95 /st128	Middlesex	248.0 ft	200,824	1957
I 95 /st128 over Rr Mbta/bmrr	Middlesex	124.0 ft	192,672	1950
I 93 over ST 16 Myst Val Pky	Middlesex	325.1 ft	182,420	1960
I 95 St128 over HWY Quinobequin RD	Middlesex	95.1 ft	142,579	1950
US 1 Newbrprt Tpk over I 95 /st128	Essex	268.0 ft	140,655	1963
I 495 over HWY Massachusetts AVE	Essex	111.9 ft	124,334	1963
I 93 over Water Merrimack River	Essex	774.9 ft	119,818	1959
I 90 over Rr Csx	Middlesex	58.1 ft	114,872	1957
I 93 Nb/us1sb over ST 24 NB	Norfolk	211.9 ft	101,100	1958
ST 9 Boylston ST over Tr Green Line D	Middlesex	56.1 ft	96,206	1905
I 495 SB over ST 28 Sb/n Main ST	Essex	116.8 ft	95,100	1962
I 95 Sb/st128 SB over ST 3 A/cambridge ST	Middlesex	205.1 ft	93,600	1950
I 495 SB over Comb Bmrr & Little Riv	Essex	193.9 ft	93,469	1961
I 495 NB over Comb Bmrr & Little Riv	Essex	195.9 ft	93,469	1961
I 95 Sb/st128 SB over HWY S Bedford ST	Middlesex	132.9 ft	92,706	1950
ST 1 A/lynnway over Water Saugus River	Essex	1272.0 ft	85,600	1934
ST 3 A/gorham ST over I 495	Middlesex	268.0 ft	84,000	1962
I 90 Ramps A & B over Water Charles River	Middlesex	300.5 ft	80,100	1957
I 495 & Access Rps over Water Merrimack River	Essex	966.9 ft	79,000	1962
HWY Morrssey Blv over Water Dorchester Bay	Suffolk	460.0 ft	78,900	1927
I 495 NB over St110 Amesbury RD	Essex	139.1 ft	78,446	1964
I 291 Conn B & C over HWY Dwight ST	Hampden	102.4 ft	78,178	1967
I 93 Bt Sb4-n Abt over HWY Connectors D & K	Suffolk	365.8 ft	77,596	1970
I 90 EB over Rr Mbta	Suffolk	2483.9 ft	76,373	1965
I 90 WB over Rr Mbta	Suffolk	2485.9 ft	74,344	1965
I 495 Upper Level over I 495 Lower Level	Essex	1048.9 ft	73,359	1962
I 495 NB over HWY School ST	Bristol	96.1 ft	70,813	1978
I 495 SB over Rr Pan Am	Middlesex	175.9 ft	68,981	1961
I 495 SB over ST 38 Main ST	Middlesex	138.1 ft	68,981	1961
I 495 SB over Water Merrimack River	Essex	938.3 ft	66,888	1964
I 290 EB over HWY E Central ST	Worcester	160.1 ft	65,611	1958
I 495 NB over Rr Pan Am	Middlesex	175.9 ft	64,233	1961
I 495 SB over St110 /st113/merrimack	Essex	172.2 ft	63,024	1963
I 290 WB over HWY E Central ST	Worcester	160.1 ft	62,637	1958
I 495 NB & On-ramp over Rr Mbta/bmrr	Essex	139.1 ft	62,500	1962
I 195 over Comb Macrr/purchase ST	Bristol	339.6 ft	62,062	1965
I 195 over HWY County&state Sts	Bristol	460.0 ft	62,062	1965
I 195 over ST 18 Ashley BLVD	Bristol	500.7 ft	62,062	1965
I 495 NB over St133 Andover ST	Middlesex	224.1 ft	60,988	1961
I 495 NB over Water Merrimack River	Essex	946.2 ft	60,056	1964
I 495 SB over HWY Boston RD	Middlesex	127.0 ft	59,349	1959
I 495 NB over St110 /st113/merrimack	Essex	172.6 ft	58,225	1963
HWY Storrw DR WB over HWY Storrow DR EB	Suffolk	35.1 ft	57,770	1951
ST 2 over Rr Bmrr	Worcester	53.1 ft	57,765	1951
I 95 NB over HWY Central ST	Norfolk	138.1 ft	56,375	1963
ST 2 over HWY Lake ST	Middlesex	172.9 ft	56,236	1967
I 495 NB over Water Assabet River	Middlesex	85.0 ft	55,989	1963
ST 1 A/lee Brbnk over St145 Revere Bch PKWY	Suffolk	135.8 ft	55,630	1934
ST 2 over Water Sawmill Pond	Worcester	33.5 ft	55,358	1946
HWY Bowker Int over Comb I 90 & Mbta	Suffolk	358.9 ft	55,075	1965
I 495 SB over ST 28 Nb/union ST	Essex	164.0 ft	54,041	1962
I 495 NB over HWY Boston RD	Middlesex	127.0 ft	53,253	1959
I 495 SB over St109 Medway RD	Worcester	141.1 ft	51,812	1968
I 495 SB over Rr Mbta/csx	Worcester	142.1 ft	51,588	1968
ST 2 over HWY Harvard ST	Worcester	47.9 ft	51,467	1951
I 90 EB over St135 Wood ST	Middlesex	128.3 ft	50,658	1957
ST 24 over St140 County ST	Bristol	107.6 ft	50,018	1951
I 495 NB over ST 28 Sb/n Main ST	Essex	131.9 ft	48,915	1962
I 495 NB over HWY W Main ST	Middlesex	140.1 ft	48,152	1966
I 495 NB over I 90	Middlesex	214.9 ft	48,021	1965
I 495 SB over Water Assabet River	Middlesex	83.0 ft	47,879	1963
I 90 EB over HWY Little Alum Pd RD	Hampden	40.0 ft	47,303	1957
ST 9 Bstn-wrcstr over St140 Grafton ST	Worcester	40.0 ft	47,107	1932
I 495 NB over Rr Mbta/csx	Worcester	142.1 ft	46,713	1968
ST 2 Concord Tpk over Water Sudbury River	Middlesex	84.0 ft	46,700	1934
ST 2 over Water Wyman Brook	Worcester	39.0 ft	46,691	1947
I 90 Ex 117 In 13 over I 90	Middlesex	235.9 ft	45,000	1957
US 1 Newbrprt Tpk over Water Little River	Essex	24.9 ft	44,612	1922
I 195 EB over Water Palmer River	Bristol	155.8 ft	44,535	1960
Ma Route 28 over Cape Cod Canal	Barnstable	2383.9 ft	44,240	1935
I 495 NB over HWY Tadmuck RD	Middlesex	125.3 ft	43,917	1961
ST 3 NB over Water North River	Plymouth	195.9 ft	43,207	1961
I 90 EB over ST 12 Southbridge ST	Worcester	315.0 ft	42,886	1957
I 495 SB over HWY Berlin RD	Middlesex	145.7 ft	42,765	1963
HWY Roosevelt Av over I 291 /us20	Hampden	210.6 ft	42,672	1969
I 95 SB over Other Mbta - Bike Trail	Essex	101.7 ft	42,634	1974
ST 24 over Water Assonet River	Bristol	158.1 ft	42,505	1951
US 1 Nb/low Deck over HWY Chelsea Local Stre	Suffolk	2829.1 ft	42,492	1950
I 90 WB over ST 12 Southbridge ST	Worcester	313.0 ft	41,794	1957
I 495 SB over HWY Summer ST	Norfolk	95.5 ft	41,765	1966
US 1 Sb/uppr Deck over US 1 Nb/chel Lwr Deck	Suffolk	3349.1 ft	41,655	1950
ST 3 SB over I 93	Norfolk	190.0 ft	41,600	1957
HWY Blue Hill Av over Rr Mbta	Suffolk	143.0 ft	41,250	1902
I 90 EB over Comb Cntrl Mlbry & Pwrr	Worcester	399.0 ft	41,235	1957
ST 3 SB over Water North River	Plymouth	195.9 ft	40,879	1961
I 495 NB over Rr Mbta/csx	Norfolk	42.0 ft	40,744	1966
I 495 NB over HWY Middle RD	Essex	133.9 ft	40,300	1964
HWY Amesbury ST over Water South Canal	Essex	69.9 ft	38,100	1918
I 95 SB over ST 62 Maple ST	Essex	128.0 ft	38,090	1972
I 495 SB over HWY W Main ST	Middlesex	132.9 ft	38,043	1966
I 495 SB over St110 Amesbury RD	Essex	140.4 ft	37,519	1964
ST 60 Pleasant ST over ST 2	Middlesex	191.9 ft	36,700	1967
I 95 NB over Other Mbta - Bike Trail	Essex	101.7 ft	36,615	1974
ST 16 Rev Bch PKWY over St107 Broadway	Suffolk	79.1 ft	36,500	1931
I 90 Ramp G over Other Mdc Aqueduct	Middlesex	122.0 ft	36,206	1962
I 95 NB over ST 62 Maple ST	Essex	126.0 ft	36,201	1972
I 391 over St116 Chicopee ST	Hampden	848.1 ft	35,950	1979
HWY Armory ST over Rr Csx	Hampden	94.2 ft	35,000	1934
HWY Speen ST SB over ST 9 & Ramp A	Middlesex	167.0 ft	34,773	1977