State profile · Above national median SD

Maine bridge safety

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

771
Public bridges
22.4%
Good condition
13.2%
Poor condition
13.2%
Structurally deficient

Total Bridges

771

Public highway bridges in Maine

Good Condition

22.4%

173 bridges rated 7-9

-27.6pp vs 50% benchmark

Poor Condition

13.2%

102 bridges rated 0-4

Structurally Deficient

13.2%

102 bridges flagged for repair priority

6.2pp vs national avg 7.0%

Maine vs national bridge condition

Maine — Good condition share 22.4%
National avg

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

Maine — Structurally deficient share 44.1%
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 — Maine (FHWA NBI)

Maine22.43839169909209%38.52140077821012%13.229571984435799%13.229571984435799%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Maine (FHWA NBI)

Counties (16)

Androscoggin 39 Aroostook 47 Cumberland 80 Franklin 36 Hancock 24 Kennebec 38 Knox 18 Lincoln 15 Oxford 87 Penobscot 63 Piscataquis 27 Sagadahoc 20 Somerset 18 Waldo 19 Washington 14 York 30

Maine 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 Maine on the same metric.

22

Louisiana

11.00% top marginal rate
Structure
Progressive
Burden @ $100K
$12,699

72

Puerto Rico

11.98% top marginal rate
Structure
Progressive
Burden @ $100K
$2,387
Selected

23

Maine

13.23% top marginal rate
Structure
Progressive
Burden @ $100K
$771

66

Guam

15.25% top marginal rate
Structure
Progressive
Burden @ $100K
$59

54

West Virginia

16.02% top marginal rate
Structure
Progressive
Burden @ $100K
$7,679

Bridges Needing Most Attention in Maine

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

OLD COUNTY RD N

Structurally Deficient

Over: SHEPARDS RIVER

.1 MI S RIVER RD, Oxford, ME

Built 1930 Load: 3.2 t ADT: 240

WILLIAM KNIGHT RD

Structurally Deficient

Over: PLEASANT RIVER

0.5 MI NW JCT RTE 202, Cumberland, ME

Built 1965 Load: 3.6 t ADT: 207

MCINTYRE RD

Structurally Deficient

Over: S BRANCH MEDUXNEKEAG RIV

1.8 MI N HODGDON MLS RD, Aroostook, ME

Built 1936 Load: 6.8 t ADT: 60

LOHNES FARM RD

Structurally Deficient

Over: BEAVER BROOK

1.9 MI S ROXBURY PD RD, Oxford, ME

Built 2020 Load: 8.1 t ADT: 37

MARSTON RD

Structurally Deficient

Over: MAINE CENTRAL RAILROAD

.05 MI S JCT COUNTY RD, Kennebec, ME

Built 1928 Load: 8.7 t ADT: 807

EAST SCHOOL ST

Poor

Over: MESSALONSKEE STR

0.1 MI NW ALPINE ST, Kennebec, ME

Built 1950 Load: 8.7 t ADT: 767

All Bridges in Maine

MADISON ST

Fair

Over: GREAT WORKS RIVER

.2 MI E JCT 4, York, ME

Built 1963 Load: 38.6 t ADT: 1,720

OCEAN AVE

Fair

Over: TRIBUTARY OF K'BUNK RIVE

.5 MI S JCT 9, York, ME

Built 1962 Load: 38.6 t ADT: 3,470

BURLEIGH RD

Fair

Over: PRESTILE STREAM

1.5 MI E JCT US 1, Aroostook, ME

Built 1921 Load: 38.9 t ADT: 420

S UNION RD

Fair

Over: BROWN BROOK

1 MI N TOWNLINE, Knox, ME

Built 1959 Load: 38.9 t ADT: 2,108

MOODYS MILLS RD

Fair

Over: E BRANCH SEBASTICOOK RIV

1.4 MI W JCT RTE 7, Penobscot, ME

Built 1999 Load: 38.9 t ADT: 113

COUNTY RD

Fair

Over: SUNKHAZE STREAM

0.6 MI NE PICKEREL PD RD, Penobscot, ME

Built 1955 Load: 38.9 t ADT: 217

MILLS RD

Fair

Over: FRENCH STREAM

0.6 MI SE OF RTE 11 & 43, Penobscot, ME

Built 1959 Load: 38.9 t ADT: 328

I 295 NB

Fair

Over: PRESUMPSCOT RIVER

1.0 MI N OF PORTLAND TL, Cumberland, ME

Built 1960 Load: 39.2 t ADT: 27,010

CARRIAGE RD

Fair

Over: CARRABASSET RIVER

200 FT W JCT RTE 27, Franklin, ME

Built 1975 Load: 39.2 t ADT: 439

STEVENS RD

Fair

Over: SANDY STREAM

2 MI N OF ROUTE 137, Waldo, ME

Built 1959 Load: 39.2 t ADT: 192

LINCOLN ST

Fair

Over: MAIN CANAL

1 MI S'LY OF JCT 202, Androscoggin, ME

Built 1958 Load: 39.5 t ADT: 6,236

MERRILL RD

Fair

Over: COLLYER BROOK

0.4 MI N OF JCT MAYALL RD, Cumberland, ME

Built 1992 Load: 39.5 t ADT: 419

PLEASANT ST

Fair

Over: SANDY STREAM

0.2 MI S OF JCT RTE 137, Waldo, ME

Built 1927 Load: 39.5 t ADT: 305

I 295 SB

Fair

Over: PREBLE STREET EXTENSION

2 MI N TOWNLINE, Cumberland, ME

Built 1973 Load: 39.9 t ADT: 36,310

AVON VALLEY RD

Fair

Over: VALLEY BROOK

1.9 MI W'LY ROUTE 4, Franklin, ME

Built 1967 Load: 39.9 t ADT: 429

VMB RAMP E

Fair

Over: M C RR

.2 MI E TOWNLINE, Androscoggin, ME

Built 1973 Load: 40.2 t ADT: 7,293

BRIDGE ST

Fair

Over: ANDROSCOGGIN RIVER

0.1 MI W'LY ROUTE #17, Androscoggin, ME

Built 1959 Load: 40.2 t ADT: 6,291

BRIDGE ST

Fair

Over: CARIBOU STREAM

50 FT S OF JCT WATER ST, Aroostook, ME

Built 1983 Load: 40.2 t ADT: 461

CARRABASSETT RD

Fair

Over: STRATTON BROOK

0.2 MI S OF EUSTIS TL, Franklin, ME

Built 1929 Load: 40.5 t ADT: 2,521

MEADOW BROOK BRIDG

Fair

Over: W BRANCH PLEASANT RIVER

0.6 MI SW FLAT RD, Oxford, ME

Built 1957 Load: 40.5 t ADT: 41

WATERFORD RD

Fair

Over: Meadow Brook

0.5 MI NE OF JCT TL., Oxford, ME

Built 1924 Load: 40.5 t ADT: 3,156

CHURCH ST

Fair

Over: WEST BRANCH SALMON BROOK

0.2 MI W OF JCT ROUTE 228, Aroostook, ME

Built 2004 Load: 40.8 t ADT: 300

WINTER ST

Fair

Over: COBBOSSEECONTE STREAM

.1 MI N JCT 9&126, Kennebec, ME

Built 1988 Load: 40.8 t ADT: 1,455

STATE ROUTE 121

Fair

Over: SUCKER BK

1.5 MI SW'LY OF OXFORD TL, Oxford, ME

Built 1925 Load: 40.8 t ADT: 2,127

IRR BIA RTE 201

Fair

Over: PENOBSCOT RIVER

NORTH OF STATE ROUTE 43, Penobscot, ME

Built 1985 Load: 40.8 t ADT: 2,800

ROUTE 126

Fair

Over: SAND POND OUTLET

.1 MI W'LY OF LITCHFIELD, Kennebec, ME

Built 1974 Load: 41.1 t ADT: 2,356

NEW GLOUCESTER RD

Fair

Over: MAINE CENTRL RAILROAD

1.4 MI N'LY OF ROUTE 115, Cumberland, ME

Built 1911 Load: 41.5 t ADT: 1,280

OLD SHEEPSCOT RD

Fair

Over: POLLY CLARK(MILL) CREEK

0.1 MI E RTE 218, Lincoln, ME

Built 1995 Load: 41.5 t ADT: 235

JORDAN POND ROAD

Fair

Over: CARRIAGE ROAD

0.5 MILES EAST OF STANLEY, Hancock, ME

Built 1932 Load: 41.7 t ADT: 288

DREWS MILLS RD

Fair

Over: MEDUXNEKEAG RIVER

.1MI N S.SHORE RD, Aroostook, ME

Built 1960 Load: 41.8 t ADT: 190

ROUNDABOUT RD

Fair

Over: NEZINSCOT R.

.3 MI SW'LY JCT OF 117, Oxford, ME

Built 1977 Load: 41.8 t ADT: 1,156

I 95 SB

Fair

Over: MOOSE BROOK

MILE 299.1/2.7 MI W JCT 1, Aroostook, ME

Built 1966 Load: 42.1 t ADT: 2,500

N BEND RD

Fair

Over: OUTLET PATTEN POND

0.1 MI W OF ELLSWORTH, Hancock, ME

Built 1966 Load: 42.1 t ADT: 903

MAIN ST

Fair

Over: GREAT POND OUTLET

5.1 MI N JCT OF RTE 135, Kennebec, ME

Built 1996 Load: 42.1 t ADT: 3,504

SEAVEY CORNER RD

Fair

Over: WHITTEN STREAM

75' N OF JCT RTE 41, Kennebec, ME

Built 1956 Load: 42.1 t ADT: 714

I 95

Fair

Over: MCRR

.5 MI E #7&11, Penobscot, ME

Built 1961 Load: 42.1 t ADT: 10,160

BROWN RD

Fair

Over: MARSH RIVER

.5 MI S JCT 139, Waldo, ME

Built 1975 Load: 42.1 t ADT: 63

KNOWLTON MILLS RD

Fair

Over: BLACK STREAM

50 FT SW BURROUGH RD, Piscataquis, ME

Built 1968 Load: 42.8 t ADT: 92

CASTLE ISLAND RD

Fair

Over: LONG POND

.1 MI E ROME TL, Kennebec, ME

Built 1986 Load: 43.1 t ADT: 1,395

Saco Spur

Fair

Over: Springfield RxR

0.192 mi S Industrial, York, ME

Built 1980 Load: 43.1 t ADT: 9,310

CLARKS POINT RD

Fair

Over: TIDEWATER

0.2 MI E RTE 218, Lincoln, ME

Built 1950 Load: 43.4 t ADT: 128

LOCUST ST

Fair

Over: MAIN CANAL

IMMED. SW'LY OF ROUTE 196, Androscoggin, ME

Built 1975 Load: 43.7 t ADT: 1,666

FLAT MOUNTAIN RD

Fair

Over: DICKEY BROOK

3 MI SW'LY JCT ROUTE 162, Aroostook, ME

Built 1921 Load: 43.7 t ADT: 516

MAIN ST

Fair

Over: HARRINGTON RIVER

.7 MI W TOWN, Washington, ME

Built 1968 Load: 43.7 t ADT: 2,692

MEMORIAL HWY

Fair

Over: MCRR

0.7 MI. SW JCT NORTH RD., Cumberland, ME

Built 1989 Load: 44.1 t ADT: 1,710

SHIN POND RD

Fair

Over: LOWER SHIN POND INLET

5.5 MI NW OF PATTEN TL, Penobscot, ME

Built 1937 Load: 44.1 t ADT: 502

I 95 SB

Fair

Over: HEMLOCK STREAM

.6 MI S EDINBURG TL, Penobscot, ME

Built 1964 Load: 44.1 t ADT: 4,660

GRANITE ST

Fair

Over: M C RR

0.5 MI N JCT COUNTY RD, Cumberland, ME

Built 1999 Load: 44.4 t ADT: 1,440

SWETTS BRIDGE RD

Fair

Over: MIDDLE BR MOUSAM RIVR

0.8 MI NE OF JCT RTE 4, York, ME

Built 1940 Load: 44.4 t ADT: 352

I 295 SB

Fair

Over: PTRR

0.5 MI N TOWNLINE, Cumberland, ME

Built 1974 Load: 44.7 t ADT: 32,110

Showing 351-400 of 771 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.