State profile · Above median Poor share

Maine bridge safety

According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in Maine.

2,518
Public bridges
24.9%
Good condition
15.4%
Poor condition

Maine holds 2,518 public highway bridges (#45 of 52 by inventory) with a 15.41% Poor share (#4 of 52 by Poor share).

That is 15.4% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 50 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.

Inventory: FHWA NBI 2024 · last ETL August 2026

Total Bridges

2,518

Public highway bridges in Maine

Good Condition

24.9%

626 bridges rated 7-9

-25.1pp vs 50% benchmark

Poor Condition

15.4%

388 bridges whose lowest applicable component is rated 0-4

7.9pp vs national avg 7.5%

Maine vs national bridge condition

Maine - Good condition share 24.9%
National avg

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

Maine - Poor-condition share 51.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.5%.

Maine in the national condition pattern

Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.

Inventory size and Poor-condition share are different measures: Maine has 2,518 bridges and a 15.4% Poor-condition share in the 2024 NBI, rank #50 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold. Scatter plot of 54 data points. 0%10%20%30%40% 0k20k40k60k Public bridges in inventory (thousands) Poor-condition share (%) ME, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 15.41%AL, Public bridges in inventory (thousands): 16.2k · Poor-condition share (%): 3.35%AK, Public bridges in inventory (thousands): 1.7k · Poor-condition share (%): 7.89%AZ, Public bridges in inventory (thousands): 8.6k · Poor-condition share (%): 1.15%AR, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 5.43%CA, Public bridges in inventory (thousands): 25.8k · Poor-condition share (%): 5.91%CO, Public bridges in inventory (thousands): 9k · Poor-condition share (%): 4.82%CT, Public bridges in inventory (thousands): 4.4k · Poor-condition share (%): 4.72%DE, Public bridges in inventory (thousands): 0.9k · Poor-condition share (%): 1.26%DC, Public bridges in inventory (thousands): 0.3k · Poor-condition share (%): 1.95%FL, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 2.79%GA, Public bridges in inventory (thousands): 15.1k · Poor-condition share (%): 1.59%GU, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 12.77%HI, Public bridges in inventory (thousands): 1.2k · Poor-condition share (%): 6.53%ID, Public bridges in inventory (thousands): 4.6k · Poor-condition share (%): 4.9%IL, Public bridges in inventory (thousands): 26.9k · Poor-condition share (%): 9.35%IN, Public bridges in inventory (thousands): 19.5k · Poor-condition share (%): 5.22%IA, Public bridges in inventory (thousands): 23.7k · Poor-condition share (%): 19.16%KS, Public bridges in inventory (thousands): 24.9k · Poor-condition share (%): 5.26%KY, Public bridges in inventory (thousands): 14.5k · Poor-condition share (%): 7.37%LA, Public bridges in inventory (thousands): 12.7k · Poor-condition share (%): 11.48%MD, Public bridges in inventory (thousands): 5.5k · Poor-condition share (%): 4.56%MA, Public bridges in inventory (thousands): 5.3k · Poor-condition share (%): 8.88%MI, Public bridges in inventory (thousands): 11.4k · Poor-condition share (%): 11.27%MN, Public bridges in inventory (thousands): 13.5k · Poor-condition share (%): 4.44%MS, Public bridges in inventory (thousands): 16.7k · Poor-condition share (%): 6.03%MO, Public bridges in inventory (thousands): 24.6k · Poor-condition share (%): 8.95%MT, Public bridges in inventory (thousands): 5.2k · Poor-condition share (%): 6.81%NE, Public bridges in inventory (thousands): 15.4k · Poor-condition share (%): 7.9%NV, Public bridges in inventory (thousands): 2.1k · Poor-condition share (%): 1.14%NH, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 7.51%NJ, Public bridges in inventory (thousands): 6.8k · Poor-condition share (%): 6.01%NM, Public bridges in inventory (thousands): 4k · Poor-condition share (%): 4.51%NY, Public bridges in inventory (thousands): 17.6k · Poor-condition share (%): 9.43%NC, Public bridges in inventory (thousands): 19.2k · Poor-condition share (%): 6.76%ND, Public bridges in inventory (thousands): 4.3k · Poor-condition share (%): 10.98%OH, Public bridges in inventory (thousands): 26.7k · Poor-condition share (%): 4.74%OK, Public bridges in inventory (thousands): 22.9k · Poor-condition share (%): 7.7%OR, Public bridges in inventory (thousands): 8.3k · Poor-condition share (%): 4.61%PA, Public bridges in inventory (thousands): 23.3k · Poor-condition share (%): 12.58%PR, Public bridges in inventory (thousands): 2.4k · Poor-condition share (%): 13.92%RI, Public bridges in inventory (thousands): 0.8k · Poor-condition share (%): 15.2%SC, Public bridges in inventory (thousands): 9.5k · Poor-condition share (%): 6.17%SD, Public bridges in inventory (thousands): 5.9k · Poor-condition share (%): 16.36%TN, Public bridges in inventory (thousands): 20.4k · Poor-condition share (%): 4.41%TX, Public bridges in inventory (thousands): 56.7k · Poor-condition share (%): 1.23%UT, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 2.91%VT, Public bridges in inventory (thousands): 2.9k · Poor-condition share (%): 2.9%VI, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 29.17%VA, Public bridges in inventory (thousands): 14.1k · Poor-condition share (%): 3.39%WA, Public bridges in inventory (thousands): 8.5k · Poor-condition share (%): 5.45%WV, Public bridges in inventory (thousands): 7.3k · Poor-condition share (%): 18.64%WI, Public bridges in inventory (thousands): 14.4k · Poor-condition share (%): 6.52%WY, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 6.51%
Inventory size and Poor-condition share are different measures: Maine has 2,518 bridges and a 15.4% Poor-condition share in the 2024 NBI, rank #50 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold.

Maine vs all states by public bridge inventory

Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges

2,518 45th of 54 higher than 9 of 54 states

States and territories, banded by public bridge inventory size

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · 2024

Read the rank neighborhood for Maine

The highlighted point is Maine: 2,518 bridges and 15.41% in Poor condition, rank #50 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below Maine on that same Poor-share ordering:

  • Puerto Rico: 2,385 bridges · 13.92% Poor
  • Rhode Island: 783 bridges · 15.20% Poor
  • Maine: 2,518 bridges · 15.41% Poor
  • South Dakota: 5,887 bridges · 16.36% Poor
  • West Virginia: 7,348 bridges · 18.64% Poor

The full national sortable table lives on the rankings page.

Material families in Maine

Exclusive FHWA material families across all 2,518 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.

Who maintains Maine’s inventory

State agency holds 87.8% of the 2,518 public highway bridges filed under Maine in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.

When Maine’s bridges were built

Pre-1950 construction accounts for 23.9% of the 2,518 bridges with a recorded original year in Maine. Era bands are orthogonal to the Poor-share ranking above.

Condition Distribution

Maine24.9%59.7%15.4%GoodFairPoor
Bridge inventory deck-condition mix - Maine (FHWA NBI)

Counties (16)

Androscoggin 135 Aroostook 229 Cumberland 344 Franklin 128 Hancock 70 Kennebec 188 Knox 53 Lincoln 63 Oxford 252 Penobscot 301 Piscataquis 80 Sagadahoc 64 Somerset 173 Waldo 92 Washington 110 York 236

Maine vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Maine on the same metric.

PR

Puerto Rico

13.92% top marginal rate
Structure
Progressive
Burden @ $100K
$2,385

RI

Rhode Island

15.20% top marginal rate
Structure
Progressive
Burden @ $100K
$783
Selected

ME

Maine

15.41% top marginal rate
Structure
Progressive
Burden @ $100K
$2,518

SD

South Dakota

16.36% top marginal rate
Structure
Progressive
Burden @ $100K
$5,887

WV

West Virginia

18.64% top marginal rate
Structure
Progressive
Burden @ $100K
$7,348

Bridges Needing Most Attention in Maine

Six lowest-condition bridges in Maine, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

LEDGELAWN AV

Poor

Over: CROMWELL BROOK

.1MI S CROMWELL HBR RD, Hancock, ME

Built 1945 Load: 0.0 t ADT: 489

BERRY RD

Poor

Over: SANDY STREAM

1.3 MI W OF DUMP ROAD, Waldo, ME

Built 1964 Load: 0.0 t ADT: 30

SCRIBNERS MILLS RD

Poor

Over: CROOKED RIVER

1.5 MI E MAPLE RDGE RD, Cumberland, ME

Built 1936 Load: 0.0 t ADT: 60

TANNERY BRIDGE RD

Poor

Over: LEMON STREAM

0.1 MI SE WIRE BRG RD, Somerset, ME

Built 1950 Load: 0.0 t ADT: 90

IRR BIA RTE 158B

Poor

Over: PISTOL STREAM

0.3KM NE LWR PISTOL LAKE, Hancock, ME

Built 1990 Load: 0.0 t

STEWART HILL RD

Poor

Over: COLD BK

1 MI N RT 150, Somerset, ME

Built 1978 Load: 2.7 t ADT: 63

All Bridges in Maine

I 95 SB

Fair

Over: DYER BROOK

4.5 MI N TOWNLINE, Aroostook, ME

Built 1965 Load: 32.4 t ADT: 2,590

SCA-CONN NB

Fair

Over: NONESUCH RIVER

0.5 MI N US 1, Cumberland, ME

Built 1968 Load: 32.4 t ADT: 9,410

PRESQUE ISLE RD

Fair

Over: WATER ST

0.5 MI N OF JCT RTE 161, Aroostook, ME

Built 1968 Load: 32.4 t ADT: 6,807

I- 95 (NB)

Fair

Over: YORK RIVER

0.173 mi N of US 1, York, ME

Built 1946 Load: 32.4 t ADT: 29,680

CIDER HILL RD (91)

Fair

Over: I-95

0.330 mi W of US 1, York, ME

Built 1977 Load: 32.4 t ADT: 4,990

TOWN LINE RD

Fair

Over: W BR MATTAWAMKEAG RV

.8 MI W MERRILL TL, Aroostook, ME

Built 1972 Load: 32.4 t ADT: 90

RAMP ON FROM SCARB

Fair

Over: BROADWAY

1.7 MI N US 1, Cumberland, ME

Built 1970 Load: 32.4 t ADT: 11,040

I-295 NORTHBOUND

Fair

Over: ANDROSCOGGIN RIVER

BRUNS-TOPSHAM TL, Cumberland, ME

Built 1971 Load: 32.4 t ADT: 16,310

BROOK ST

Fair

Over: PEARCE BROOK

50 FT. S. OF COLUMBIA ST., Aroostook, ME

Built 1992 Load: 32.7 t ADT: 110

HURRICANE ROAD

Fair

Over: PISCATAQUA RIVER

0.070 mi W of I-95, Cumberland, ME

Built 1956 Load: 32.7 t ADT: 506

LITCHFIELD RD

Fair

Over: VAUGHAN STREAM

0.5 MI W OF JCT RTE 201, Kennebec, ME

Built 1905 Load: 32.7 t ADT: 1,480

SMITH RD

Fair

Over: VAUGHN STREAM

300 N OF LITCHFIELD RD, Kennebec, ME

Built 1955 Load: 32.7 t ADT: 1,033

RICKER HILL RD

Fair

Over: NEZINSCOT RIVER

0.1 MI WEST OF RTE 140, Oxford, ME

Built 1998 Load: 32.7 t ADT: 42

BISBEE TOWN RD

Fair

Over: SWETT BROOK

0.1 MI W HUNTS CORNER RD, Oxford, ME

Built 2007 Load: 32.7 t ADT: 144

LITTLE RIVER RD

Fair

Over: LITTLE RIVER

3.5 MI S RTE 202, York, ME

Built 1950 Load: 32.7 t ADT: 932

I 95 SB

Fair

Over: 12 MILE BROOK

2.3 MI NE OF BENTON, Kennebec, ME

Built 1964 Load: 32.7 t ADT: 9,250

I 395 EB

Fair

Over: PENOBSCOT RV & S MAIN ST

0.1 MI E OF JCT RTE 1A, Penobscot, ME

Built 1986 Load: 32.7 t ADT: 16,550

RANGELEY RD

Fair

Over: COTTLE BROOK

0.8 MI W JCT RTE 142, Franklin, ME

Built 1922 Load: 32.7 t ADT: 1,471

ROUTE 1

Fair

Over: SHEEPSCOT RIVER

EDGECOMB-WISCASSET, Lincoln, ME

Built 1983 Load: 32.7 t ADT: 17,897

OSSIPEE TRL

Fair

Over: SACO RIVER OVERFLOW CHAN

250 FT W OF STANDISH TL, York, ME

Built 1978 Load: 32.7 t ADT: 7,918

E WALDO RD

Fair

Over: WESCOTT STREAM

0.8 MI SOUTH RTE 131, Waldo, ME

Built 1998 Load: 32.7 t ADT: 332

STEVENSTOWN RD

Fair

Over: POTTERS BROOK

0.2 MI. N. OF TURNPIKE OP, Kennebec, ME

Built 1955 Load: 32.7 t ADT: 283

WILSONS MILLS

Fair

Over: CUPSUPTIC RIVER

1.5 MI WLY RANGELY T.L., Oxford, ME

Built 1962 Load: 32.7 t ADT: 402

STATE ST

Fair

Over: PRESQUE ISLE STREAM

0.2 MI WLY OF JCT US1, Aroostook, ME

Built 1979 Load: 32.7 t ADT: 8,853

WOODMANS MILL RD

Fair

Over: ST. GEORGE RIVER

3.4 MI E OF LIBERTY, Waldo, ME

Built 1930 Load: 32.7 t ADT: 683

SEARSPORT AV

Fair

Over: PASSAGASSAWAUKEAG + RR

0.1 MI W OF JCT RTE 141, Waldo, ME

Built 1963 Load: 32.7 t ADT: 18,553

WASHINGTON AV

Fair

Over: MARGINAL WAY

0.2 MI N OF INT MARG.WAY, Cumberland, ME

Built 1960 Load: 32.7 t ADT: 5,790

LAKE ST

Fair

Over: LEMON STREAM

IN NEW VINEYARD SETTLE., Franklin, ME

Built 1962 Load: 32.7 t ADT: 1,012

I 95 NB

Fair

Over: COLD BROOK

2.3 MI NE OF SHERMAN TL, Aroostook, ME

Built 1967 Load: 32.7 t ADT: 2,120

WINDHAM CENTER RD

Fair

Over: PRESUMPSCOT RIVER

ADJ TO WINDHAM TOWNLINE, Cumberland, ME

Built 1970 Load: 32.7 t ADT: 1,967

I-295 SB

Fair

Over: I-95

0.186 mi W of Payne Rd, Cumberland, ME

Built 1972 Load: 32.7 t ADT: 14,770

FERRY SLIP

Fair

Over: Lermond Cove

Rockland Ferry Terminal, Knox, ME

Built 2008 Load: 32.7 t ADT: 38

ST RTE 173

Fair

Over: West Penobscot Bay

0.17 mi easterly of rte1, Waldo, ME

Built 2009 Load: 32.7 t ADT: 798

VINALHAVEN FERRY

Fair

Over: Carvers Harbor

Atlantic Ocean, Knox, ME

Built 2012 Load: 32.7 t ADT: 528

FERRY SLIP

Fair

Over: Lermond Cove

Rockland Ferry Terminal, Androscoggin, ME

Built 2007 Load: 32.7 t ADT: 84

PARADISE HILL ROAD

Fair

Over: DUCK BROOK

0.7 MILES NORTH OF NPS RO, Hancock, ME

Built 1960 Load: 32.7 t ADT: 3,939

POLAND SPRING ROAD

Fair

Over: I-95

0.096 mi W of Old Hotel, Androscoggin, ME

Built 1956 Load: 33.0 t ADT: 2,567

MILLER RD

Fair

Over: PAYSON BROOK

0.4 MI SE RT 17&235, Knox, ME

Built 1999 Load: 33.0 t ADT: 267

CANAL RD

Fair

Over: CANAL

1.9 MI W RTE 109, York, ME

Built 1930 Load: 33.0 t ADT: 460

SAM BROWN HILL RD

Fair

Over: COLE BROOK

0.3 MI NE PORTER RD, Oxford, ME

Built 2020 Load: 33.0 t ADT: 92

BRANCH RD

Fair

Over: BRANCH BROOK

0.4 MI N RTE 26, Oxford, ME

Built 2009 Load: 33.0 t ADT: 60

I 95 NB

Fair

Over: ROUTE US 2

I95 INTERCHANGE 291, Aroostook, ME

Built 1966 Load: 33.0 t ADT: 2,030

I 95 NB

Fair

Over: B & A RAILROAD

1 MI N TOWNLINE, Aroostook, ME

Built 1981 Load: 33.0 t ADT: 2,510

I 95 SB

Fair

Over: KENNEBEC RIVER

.1 MI NE US #201, Kennebec, ME

Built 1964 Load: 33.0 t ADT: 10,550

MAIN ST

Fair

Over: WILSON STREAM

AT JCT OF PROSPECT STREET, Franklin, ME

Built 1958 Load: 33.0 t ADT: 2,854

E MAIN ST

Fair

Over: FISH RIVER

0.2 MI E OF JCT RTE 11, Aroostook, ME

Built 1953 Load: 33.0 t ADT: 8,100

NEW COUNTY RD

Fair

Over: SACO RIVER

BIDDEFORD - SACO TL, York, ME

Built 1997 Load: 33.0 t ADT: 5,530

MAIN ST

Fair

Over: JACKSON BROOK

1.2 MI S OF JCT RTE 16, Somerset, ME

Built 1970 Load: 33.0 t ADT: 4,741

CITY POINT RD

Fair

Over: PASSAGASSAWAKEAG RIVER

1.6 MI N OF US1 UNDERPASS, Waldo, ME

Built 1969 Load: 33.0 t ADT: 1,471

AIRLINE RD

Fair

Over: WEST BRANCH UNION RIVER

0.7 MI W OF JCT RTE 181, Hancock, ME

Built 1973 Load: 33.0 t ADT: 3,693

Showing 501-550 of 2,518 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

What to do with this

Use Maine's inventory picture to drill to a county or a specific span.

NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Maine Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.