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

NORTH RD

Good

Over: CRYSTAL STREAM

1.3 MI N OF PATTEN, Penobscot, ME

Built 2000 Load: 35.0 t ADT: 797

SCHOOL ST

Good

Over: ANDROSCOGGIN RIVER

1.6 MI NLY JCT 108, Oxford, ME

Built 2005 Load: 35.0 t ADT: 1,734

BISCAY RD

Good

Over: PEMAQUID POND OUTLET

TOWNLINE, Lincoln, ME

Built 2008 Load: 35.0 t ADT: 1,880

HIGH MEADOW RD

Good

Over: SALMON BROOK

1 MI W JCT RTE 228, Aroostook, ME

Built 2017 Load: 35.0 t ADT: 230

CROSS ST

Good

Over: MEDOMAK RIVER

0.1 MI E JCT RTE 32, Lincoln, ME

Built 2018 Load: 35.0 t ADT: 330

MAPLE STREET

Good

Over: I-95

0.623 mi W of Blaine Rd, Kennebec, ME

Built 1956 Load: 35.3 t ADT: 799

US 1 BYP

Good

Over: DENNETT RD

RTE 1 BYPASS, York, ME

Built 2010 Load: 35.3 t ADT: 4,293

AIRLINE RD

Good

Over: ROCKY BROOK

2 MI E TOWNLINE, Washington, ME

Built 2019 Load: 35.3 t ADT: 2,814

ST RTE 103

Good

Over: TIDAL ESTUARY

0.9 MI S JCT US 1A, York, ME

Built 2011 Load: 35.3 t ADT: 2,051

WILSON ST

Good

Over: I-395

ROUTE 1A OVER I-395, Penobscot, ME

Built 2021 Load: 35.6 t ADT: 15,824

BLACK POINT RD

Good

Over: NONESUCH RIVER

0.9 MI SLY OF RTES 1 & 9, Cumberland, ME

Built 1995 Load: 35.6 t ADT: 14,080

BYRON VILLAGE RD

Good

Over: SWIFT RIVER

.1 MI E JCT 17, Oxford, ME

Built 2022 Load: 35.6 t ADT: 155

MAIN RD N

Good

Over: SOUADABSCOOK STR

.4 MI N 9&202, Penobscot, ME

Built 2020 Load: 35.6 t ADT: 6,355

MAIN ST

Good

Over: MOOSE RIVER

1.7 MI N JCT RTES 6 & 15, Somerset, ME

Built 2004 Load: 35.6 t ADT: 3,170

BASIN RD

Good

Over: LAMSON STREAM

2.0 MI SWLY OF JCT 187, Washington, ME

Built 2007 Load: 36.0 t ADT: 463

MAIN ST

Good

Over: PISCATAQUIS RIVER

0.1 MI S JCT RTES 6-15-16, Piscataquis, ME

Built 2006 Load: 36.0 t ADT: 2,396

WHIPPLE RD

Good

Over: KITTERY POINT

1.1 MI ELY OF ROUTE 236, York, ME

Built 1998 Load: 36.0 t ADT: 4,270

E PLANTATION ROAD

Good

Over: THREE BROOKS

1.7 MI W + S OF BLAINE, Aroostook, ME

Built 2018 Load: 36.0 t ADT: 170

KING RD

Good

Over: SABATTUS STREAM

.1 MI E OF LITTLEFIELD RD, Androscoggin, ME

Built 2009 Load: 36.0 t ADT: 132

GREEN ST

Good

Over: PEARCE BROOK

0.1 MI S RT 2, Aroostook, ME

Built 2020 Load: 36.0 t ADT: 790

PINE TREE RD

Good

Over: GREAT MEADOW STREAM

0.4 MI W OF ROUTES 8&137, Kennebec, ME

Built 2006 Load: 36.0 t ADT: 112

TALBOT RD

Good

Over: TIDAL PASSAGE

0.4 MI SE COUSINS IS RD, Cumberland, ME

Built 2005 Load: 36.0 t ADT: 480

RAY ST

Good

Over: FALL BROOK

0.2 MI. E. RT. 100, Cumberland, ME

Built 2005 Load: 36.3 t ADT: 1,750

BEACHWOOD AV

Good

Over: BATSON RIVER

0.4 MI W RTE 9, York, ME

Built 1994 Load: 36.3 t ADT: 780

VETERANS ST

Good

Over: ANDROSCOGGIN RIVER

50 FT S of US 2, Oxford, ME

Built 2000 Load: 36.3 t ADT: 6,182

PORTLAND AV

Good

Over: MILLIKEN BROOK

0.6 MI W TOWN LINE, York, ME

Built 1998 Load: 36.3 t ADT: 1,416

N FRYEBURG RD

Good

Over: KIMBALL BROOK

0.9 MI S OF STOW, Oxford, ME

Built 2019 Load: 36.3 t ADT: 1,100

RTE 196 TO US-1 NB

Good

Over: ROUTE US1

SLY END OF ROUTE 196, Cumberland, ME

Built 1997 Load: 36.3 t ADT: 8,514

ALFOND CONNECTOR

Good

Over: Kennebec River

.2 Mi.W RTE 201/100, Kennebec, ME

Built 2005 Load: 36.3 t ADT: 14,820

WORCESTER HWY

Good

Over: Bottle Brook

5 MI E Mayfield/Kingsbury, Piscataquis, ME

Built 2014 Load: 36.3 t ADT: 398

DORITY FARM RD

Good

Over: TANNERY BROOK

.6 MI S RT 181, Hancock, ME

Built 2017 Load: 36.6 t ADT: 64

RIVER RD

Good

Over: SALMON FALLS RIVER

STATE LINE, York, ME

Built 1990 Load: 36.6 t ADT: 854

DENNETT RD

Good

Over: GREAT WORKS RIVER

.6 MI.E RTE 4, York, ME

Built 2002 Load: 36.6 t ADT: 100

MAIN ST

Good

Over: STETSON BK

2.2 MI SW GREENE TL, Androscoggin, ME

Built 2015 Load: 36.6 t ADT: 12,763

GOOSE HILL RD

Good

Over: DAVIS STR

.3 MI E RT 126, Lincoln, ME

Built 2011 Load: 36.6 t ADT: 208

BIA ROUTE 443

Good

Over: MOUNTAIN BROOK

21.1 KM S MILLNOCKET ME, Penobscot, ME

Built 2021 Load: 36.7 t ADT: 30

BOWERY BEACH RD

Good

Over: SPURWINK RIVER

Townline/Scarboro, Cumberland, ME

Built 1988 Load: 36.9 t ADT: 4,200

ARGLYE RD

Good

Over: BIRCH STREAM

0.9 MI E OF JCT RTE 16, Penobscot, ME

Built 2004 Load: 36.9 t ADT: 1,084

KENNEBAGO RD

Good

Over: SOUTH BRANCH DEAD RIVER

1.2 MI NW OF ROUTE 16, Franklin, ME

Built 1990 Load: 36.9 t ADT: 57

ANDOVER RD

Good

Over: Meadow Brook

0.1 Ml W of Martin Road, Oxford, ME

Built 2015 Load: 36.9 t ADT: 682

WAGNER BRIDGE RD

Good

Over: MEADOMAK RIVER

0.1 MI SE OF JCT RTE 32, Lincoln, ME

Built 1982 Load: 37.3 t ADT: 284

TUELL HILL RD

Good

Over: W BRANCH NEZINSCOT RIVER

0.1 MI S ELM TREE FARM RD, Oxford, ME

Built 2014 Load: 37.3 t ADT: 106

MAIN ST

Good

Over: SEBASTICOOK RIVER

0.3 MI NE JCT ROUTE 152, Somerset, ME

Built 1997 Load: 37.3 t ADT: 4,541

PATTERSON RD

Good

Over: KENNEBEC RIVER

.5 MI W 128, Lincoln, ME

Built 2014 Load: 37.3 t ADT: 3,105

MARKET ST

Good

Over: SACO RIVER (E OR N CHAN)

SACO / BIDDEFORD TL, York, ME

Built 2016 Load: 37.3 t ADT: 5,532

OLD ROUTE FOUR

Good

Over: B&M RAILROAD

.7 MI W RTE 4, York, ME

Built 1920 Load: 37.3 t ADT: 580

POORS MILL RD

Good

Over: WARREN BROOK

0.9 MI E OFJCT SHEPARD RD, Waldo, ME

Built 2020 Load: 37.3 t ADT: 1,565

CENTER RD

Good

Over: LITTLE MUD BROOK

1.9 MI N JCT 169, Penobscot, ME

Built 2010 Load: 37.3 t ADT: 72

I 95 NB

Good

Over: B&ARR EMERSON MILL RD

MILE 179.2/4.5 MILE E TL, Penobscot, ME

Built 2021 Load: 37.3 t ADT: 13,050

CARIBOU CONNECTOR

Good

Over: Farm Access road

.2 N or US 1 interchange, Aroostook, ME

Built 2012 Load: 37.3 t ADT: 2,310

Showing 1,651-1,700 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.