Bridge Safety in Massachusetts

5,311 bridges, 501 Poor condition, avg age 64 years.

Bridge Inventory

Total Bridges5,311
Good Condition1,291
Fair Condition3,519
Poor Condition501
Oldest BridgeBuilt 1764
Average Age64 years

Condition Summary

% Good24.3%
% Fair66.3%
% Poor9.4%

Highest-Traffic Poor Condition Bridges in Massachusetts

Poor condition bridges sorted by daily traffic, the most urgent safety concerns.

Bridge Condition Year Built ADT Length
HWY UNION ST N ROTARY Poor 1957 204,310 -
I 95 /ST128 Poor 1957 200,824 -
RR MBTA/BMRR Poor 1950 192,672 -
ST 16 MYST VAL PKY Poor 1960 182,420 -
HWY QUINOBEQUIN RD Poor 1950 142,579 -
I 95 /ST128 Poor 1963 140,655 -
HWY MASSACHUSETTS AVE Poor 1963 124,334 -
WATER MERRIMACK RIVER Poor 1959 119,818 -
RR CSX Poor 1957 114,872 -
ST 24 NB Poor 1958 101,100 -
TR GREEN LINE D Poor 1905 96,206 -
ST 28 SB/N MAIN ST Poor 1962 95,100 -
ST 3 A/CAMBRIDGE ST Poor 1950 93,600 -
COMB BMRR & LITTLE RIV Poor 1961 93,469 -
COMB BMRR & LITTLE RIV Poor 1961 93,469 -
HWY S BEDFORD ST Poor 1950 92,706 -
WATER SAUGUS RIVER Poor 1934 85,600 -
I 495 Poor 1962 84,000 -
WATER CHARLES RIVER Poor 1957 80,100 -
WATER MERRIMACK RIVER Poor 1962 79,000 -

Oldest Bridges in Massachusetts

Bridge Condition Year Built Age ADT
WATER IPSWICH RIVER Fair 1764 262 yrs 26,250
WATER NEPONSET RIVER Fair 1765 261 yrs 32,845
WATER ASSONET RIVER Fair 1822 204 yrs 14,094
WATER MERRIMACK CANAL Fair 1823 203 yrs 18,000
WATER PASKAMANSETT RIVER Fair 1826 200 yrs 9,957
WATER WESTERN CANAL Fair 1831 195 yrs 17,900
WATER IPSWICH RIVER Fair 1833 193 yrs 4,100
WATER WESTERN CANAL Fair 1833 193 yrs 6,600
WATER LWR PAWTUCKET CNL Good 1835 191 yrs 12,184
WATER EASTERN CANAL Fair 1835 191 yrs 16,900

Bridge Safety in Massachusetts

Bridge condition data for Massachusetts comes from the FHWA National Bridge Inventory. All publicly accessible bridges with a span over 20 feet are inspected at least every 24 months by certified bridge inspectors.