State profile · Near national median SD

Massachusetts bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Massachusetts — drawn straight from the FHWA National Bridge Inventory.

5,314
Public bridges
24.9%
Good condition
8.0%
Poor condition
8.0%
Structurally deficient

Total Bridges

5,314

Public highway bridges in Massachusetts

Good Condition

24.9%

1,323 bridges rated 7-9

-25.1pp vs 50% benchmark

Poor Condition

8.0%

423 bridges rated 0-4

Structurally Deficient

8.0%

423 bridges flagged for repair priority

1.0pp vs national avg 7.0%

Massachusetts vs national bridge condition

Massachusetts — Good condition share 24.9%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Massachusetts — Structurally deficient share 26.5%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Massachusetts (FHWA NBI)

Massachusetts24.89649981181784%60.143018441851716%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Massachusetts (FHWA NBI)

Massachusetts vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Massachusetts on the same metric.

31

Nebraska

7.73% top marginal rate
Structure
Progressive
Burden @ $100K
$15,571

17

Illinois

7.88% top marginal rate
Structure
Progressive
Burden @ $100K
$27,743
Selected

25

Massachusetts

7.96% top marginal rate
Structure
Progressive
Burden @ $100K
$5,314

29

Missouri

8.53% top marginal rate
Structure
Progressive
Burden @ $100K
$24,654

26

Michigan

8.92% top marginal rate
Structure
Progressive
Burden @ $100K
$1,188

Bridges Needing Most Attention in Massachusetts

Six lowest-condition bridges in Massachusetts, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Massachusetts

HWY FR MORIS BLV

Fair

Over: WATER WESTERN CANAL

.32 KM S. OF MERRIMACK R, Middlesex, MA

Built 1967 Load: 29.8 t ADT: 18,000

HWY KENDRICK ST

Fair

Over: WATER CHARLES RIVER

AT NAHANTON STREET, Norfolk, MA

Built 1959 Load: 29.8 t ADT: 33,900

HWY SHIP POND RD

Fair

Over: ST 3 NB/PILGRIM HWY

.5 MI E OF LONG POND RD, Plymouth, MA

Built 1957 Load: 29.8 t ADT: 1,164

I 93 NB BT 33-38

Fair

Over: I 93 SB BT 33-38

.6 MI N OF JCT I93&US1, Suffolk, MA

Built 1970 Load: 29.8 t ADT: 81,000

HWY CEDAR ST

Fair

Over: I 395

1ST BR SOUTH OF ST-20, Worcester, MA

Built 1976 Load: 29.8 t ADT: 800

HWY WAHCONAH ST

Fair

Over: WATER W BR HOUSATONIC R

AT TACONIC PARK DR INT, Berkshire, MA

Built 1951 Load: 29.9 t ADT: 12,155

US 20 W HOUSATONIC

Fair

Over: WATER SW BR HOUSATONIC R

NEAR E END HUNGERFORD ST, Berkshire, MA

Built 1913 Load: 29.9 t ADT: 11,151

ST128 NB

Fair

Over: HWY PINE ST

.8 MI N MANCHESTER TOWN H, Essex, MA

Built 1953 Load: 29.9 t ADT: 21,218

ST128 SB

Fair

Over: HWY PINE ST

.8 MI N MANCHESTER TOWN H, Essex, MA

Built 1953 Load: 29.9 t ADT: 19,500

ST 67 BOSTON RD

Fair

Over: WATER KINGS BROOK

0.6 MI S OF I-90, Hampden, MA

Built 1955 Load: 29.9 t ADT: 2,845

ST 3 A/MORRSY BLV

Fair

Over: COMB NEPONSET AVE&RIVER

.2 MI E OF I 93, Suffolk, MA

Built 1970 Load: 29.9 t ADT: 76,500

HWY SUTTON AVE

Fair

Over: I 395

.4 MI. E. OF ST-12, Worcester, MA

Built 1973 Load: 29.9 t ADT: 6,401

ST 6 A/CRNBRY HWY

Fair

Over: WATER MILL CREEK

1.5 M E OF BOURNE TL, Barnstable, MA

Built 1951 Load: 30.0 t ADT: 23,664

ST140 S MAIN ST

Fair

Over: WATER RUMFORD RIVER

.37 MI. NO. OF NORTON TL., Bristol, MA

Built 1928 Load: 30.0 t ADT: 28,429

HWY PROVDENCE ST

Fair

Over: WATER PALMER RIVER

.3 MI W OF MASON ST, Bristol, MA

Built 1969 Load: 30.0 t ADT: 2,143

I 93 NB

Fair

Over: WATER SHAWSHEEN RIVER

2.5 MI S OF ST-133, Essex, MA

Built 1958 Load: 30.0 t ADT: 74,084

I 93 SB

Fair

Over: WATER SHAWSHEEN RIVER

2.5 MI SOUTH OF RT 133, Essex, MA

Built 1958 Load: 30.0 t ADT: 77,340

US 20 W MAIN ST

Fair

Over: WATER WALKER BROOK

@ HAMDEN ST INTERSECTION, Hampden, MA

Built 1924 Load: 30.0 t ADT: 2,342

I 495 NB

Fair

Over: WATER RIVER MEADOW BROOK

0.7 MI N RTE 110, Middlesex, MA

Built 1959 Load: 30.0 t ADT: 66,190

HWY CONCORD ST

Fair

Over: WATER CHARLES RIVER

@ WESTON TL = W29007, Middlesex, MA

Built 1907 Load: 30.0 t ADT: 7,500

ST 28 MAIN ST

Fair

Over: WATER MARTINS BROOK

0.2 MI SLY RT 62, Middlesex, MA

Built 1903 Load: 30.0 t ADT: 31,080

I 495 NB

Fair

Over: RR PCRR (ABANDONED)

.2 MI W OF ST 1A, Norfolk, MA

Built 1966 Load: 30.0 t ADT: 45,438

ST146 NB

Fair

Over: ST 16 DOUGLAS ST

2 MILES WEST OF ST-122, Worcester, MA

Built 1950 Load: 30.0 t ADT: 16,229

HWY SHORE RD

Fair

Over: WATER BACK RIVER

2 MI SW OF BOURNE BRIDGE, Barnstable, MA

Built 1931 Load: 30.1 t ADT: 10,800

US 7 SOUTH ST

Fair

Over: WATER KONKAPOT BROOK

1.3 MI N OF GT BAR TL, Berkshire, MA

Built 1955 Load: 30.1 t ADT: 12,420

I 91

Fair

Over: COMB CT R/GWRR & ST116

MM 8.5 ON I-91, Hampden, MA

Built 1966 Load: 30.1 t ADT: 85,066

HWY CHESTNUT ST

Fair

Over: I 291 CONN A/B/C/D&RMP F

MM 0.7 ON I-291, Hampden, MA

Built 1967 Load: 30.1 t ADT: 16,277

HWY I90&I91 CON

Fair

Over: HWY PROSPECT AVE

0.2 M S OF HIGHLAND AVE, Hampden, MA

Built 1968 Load: 30.1 t ADT: 18,234

ST 9 RAMP E

Fair

Over: ST 9 EB

.3 MILES WEST OF I-90, Middlesex, MA

Built 1989 Load: 30.1 t ADT: 2,700

I 95 /ST128

Fair

Over: HWY LINCOLN ST

0.5 MI N RT 2 & RT 95, Middlesex, MA

Built 1950 Load: 30.1 t ADT: 196,500

HWY PRESCOTT ST

Fair

Over: WATER NISSITISSIT RIVER

.6MI. N. OF BROOKLINE RD., Middlesex, MA

Built 1994 Load: 30.1 t ADT: 800

I 495 NB

Fair

Over: HWY SUMMER ST

MM40, .3 MI N OF WRNTM TL, Norfolk, MA

Built 1966 Load: 30.1 t ADT: 41,841

HWY PLYMOUTH ST

Fair

Over: RR MBTA/CSX

MBTA MP32/010, Plymouth, MA

Built 1977 Load: 30.1 t ADT: 1,214

I 495 NB

Fair

Over: ST 62 CENTRAL ST

.25 MILES W OF HUDSON TL, Worcester, MA

Built 1963 Load: 30.1 t ADT: 45,106

I 495 SB

Fair

Over: ST 62 CENTRAL ST

0.25 MI WEST OF HUDSON TL, Worcester, MA

Built 1963 Load: 30.1 t ADT: 27,582

I 84 EB

Fair

Over: US 20 EB/CHARLTON RD

I-84 EB / US 20 EB, Worcester, MA

Built 1974 Load: 30.1 t ADT: 31,721

HWY P DELGADA BL

Fair

Over: COMB ST 138/RR(ABANDON)

AT ST 138, Bristol, MA

Built 1952 Load: 30.2 t ADT: 1,143

I 495 NB

Fair

Over: HWY HAGGETTS POND RD

AT I-495, Essex, MA

Built 1961 Load: 30.2 t ADT: 60,500

I 495 NB

Fair

Over: HWY COMMONWEALTH DR

.4 MI N MERRIMAC RIVER, Essex, MA

Built 1962 Load: 30.2 t ADT: 62,100

HWY PAPER MLL RD

Fair

Over: WATER MILLERS RIVER

150' N OF INT NEWTON ST, Franklin, MA

Built 1937 Load: 30.2 t ADT: 1,140

HWY SARGEANT ST

Fair

Over: WATER SECOND LEVEL CANAL

AT INT OF RACE/SARGEANT, Hampden, MA

Built 1850 Load: 30.2 t ADT: 3,879

HWY N LOOMIS ST

Fair

Over: WATER MUNN BROOK

2 MI N OF GRANVILLE RD, Hampden, MA

Built 1956 Load: 30.2 t ADT: 1,293

HWY ARMORY ST

Fair

Over: RR CSX (ABANDONED)

S JCT OF ALBANY ST., Hampden, MA

Built 1934 Load: 30.2 t ADT: 20,285

HWY WOOD ST

Fair

Over: RR MBTA

.5 M S OF ST 28, Plymouth, MA

Built 1850 Load: 30.2 t ADT: 3,100

HWY W SECOND ST

Fair

Over: COMB HAUL RD & MBTA RED

.8 KM SW D ST, Suffolk, MA

Built 1918 Load: 30.2 t ADT: 8,146

I 93 SB B10-B16

Fair

Over: RR MBTA/BMRR

1 MI N OF JCT I93&US1, Suffolk, MA

Built 1970 Load: 30.2 t ADT: 57,435

I 90 WB RAMP OFF

Fair

Over: RR MBTA

.1 MI S. CHARLES RV S111, Suffolk, MA

Built 1965 Load: 30.2 t ADT: 17,948

I 495 NB

Fair

Over: ST150

AT EXIT 54, Essex, MA

Built 1967 Load: 30.3 t ADT: 31,856

I 495 SB

Fair

Over: ST108 NEWTON RD

.7 MI S ST110, Essex, MA

Built 1964 Load: 30.3 t ADT: 65,000

HWY LAWRENCE ST

Fair

Over: WATER CONCORD RIVER

JUST W OF CEMETERY, Middlesex, MA

Built 1850 Load: 30.3 t ADT: 9,600

Showing 1,151-1,200 of 5,314 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.