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

DEPOT RD

Fair

Over: ROYAL RIVER

1.0 MI W NEW GLOUCESTER, Cumberland, ME

Built 1963 Load: 48.6 t ADT: 2,422

US RT 2 E

Fair

Over: WILSON STREAM

1.2 MI W OF FARMINGTON, Franklin, ME

Built 1962 Load: 48.6 t ADT: 9,341

GORHAM RD/RTE 114

Fair

Over: (OVER) I-295 SB RAMP

0.297 mi NW of Payne Rd, Cumberland, ME

Built 1971 Load: 48.6 t ADT: 12,563

DEXTER RD

Fair

Over: BLACK STREAM

4.2 MI N OF GARLAND, Piscataquis, ME

Built 1976 Load: 48.9 t ADT: 3,106

OSSIPEE TRL W

Fair

Over: SACO RIVER

1.5 MI SE JCT 11, York, ME

Built 1978 Load: 48.9 t ADT: 7,918

E MAIN ST

Fair

Over: LITTLE ANDRO RIVER

.2 MI E 26, Oxford, ME

Built 1938 Load: 48.9 t ADT: 8,333

WASHINGTON ST

Fair

Over: SOKOKIS LAKE OUTLET

.9 MI NE ROUTE 5, York, ME

Built 1901 Load: 48.9 t ADT: 3,786

LOUD RD

Fair

Over: DIXMONT (MARTIN) STREAM

2.2 MI SE OF JCT RTE 7, Penobscot, ME

Built 1961 Load: 48.9 t ADT: 118

MAPLE RD

Fair

Over: ALDER STREAM

5 MI N OF BRADFORD, Piscataquis, ME

Built 1963 Load: 48.9 t ADT: 92

PEA RIDGE RD

Fair

Over: MEDUNKEUNK STREAM

0.9 MI NW OF JCT RTE 116, Penobscot, ME

Built 1987 Load: 48.9 t ADT: 359

I-95 (NB)

Fair

Over: ROYAL RIVER

0.464 mi W Snow Hill Rd, Cumberland, ME

Built 1956 Load: 49.2 t ADT: 9,460

I 95 NB

Fair

Over: OLD PATTEN ROAD & RR

0.5 MI NLY OF RTE 159, Aroostook, ME

Built 1979 Load: 49.2 t ADT: 2,360

N MAIN ST

Fair

Over: MILL STREAM (COVE BROOK)

0.6 MI S OF HAMPDEN, Waldo, ME

Built 1979 Load: 49.2 t ADT: 7,491

S MAIN ST

Fair

Over: DAN HILL STREAM

0.8 MI N OF JONESBORO, Washington, ME

Built 2005 Load: 49.2 t ADT: 821

MAIN ST

Fair

Over: ECHO LAKE OUTLET

0.5 MI W OF READFIELD, Kennebec, ME

Built 1947 Load: 49.2 t ADT: 2,386

BRIDGE ST

Fair

Over: KENNEBEC RIVER

0.1 MI W OF JCT RTE 201, Somerset, ME

Built 1986 Load: 49.2 t ADT: 833

DEXTER RD

Fair

Over: SEBASTICOOK RV MAIN STR

CAMBRIDGE-RIPLEY TOWNLINE, Somerset, ME

Built 1997 Load: 49.2 t ADT: 350

COLDBROOK RD

Fair

Over: I-95 NB & SB

I-95 INTERCHANGE #44, Penobscot, ME

Built 1962 Load: 49.2 t ADT: 9,885

I-95 SB

Fair

Over: Royal River

.48 mi W of Snow Hill Rd, Cumberland, ME

Built 1956 Load: 49.2 t ADT: 9,830

YOUNGS CORNER RD

Fair

Over: LAPHAM BROOK

0.4 MI WLY OF HOTEL RD, Androscoggin, ME

Built 1991 Load: 49.6 t ADT: 3,544

SOUTH MAIN STREET

Fair

Over: I-95

0.059 mi S of Witham, Androscoggin, ME

Built 1956 Load: 49.6 t ADT: 1,835

LUDLOW RD

Fair

Over: CAPTAIN AMBROSE BEAR STR

0.7 MI W OF JCT RTE US1, Aroostook, ME

Built 1981 Load: 49.6 t ADT: 1,978

I 95 SB

Fair

Over: EAST BRANCH SEBASTICOOK

1MI E #7&11, Penobscot, ME

Built 1961 Load: 49.6 t ADT: 10,360

SCHOOL ST

Fair

Over: MOUSAM RIVER

1.5 MI NW OF RTE 4, York, ME

Built 1973 Load: 49.6 t ADT: 3,500

KELLEY RD

Fair

Over: EASTERN RIVER

3 MI E RTE #27, Kennebec, ME

Built 1964 Load: 49.6 t ADT: 288

I 95 NB

Fair

Over: EAST BRANCH SEBASTICOOK

1MI E #7-11, Penobscot, ME

Built 1961 Load: 49.6 t ADT: 10,160

BOUNDARY RD

Fair

Over: THE THOROUGHFARE

INTERNATIONAL LINE, Aroostook, ME

Built 1982 Load: 49.9 t ADT: 60

ROUTE 1

Fair

Over: PLEASANT RIVER

.7 MI E TOWNLINE, Washington, ME

Built 1961 Load: 49.9 t ADT: 4,408

EMERY ST

Fair

Over: MOUSAM RIVER

0.8 MI NE RTE 109/4A, York, ME

Built 1969 Load: 49.9 t ADT: 2,414

MAYVILLE RD

Fair

Over: BEAR RIVER

100 FT NE OF BETHEL TL, Oxford, ME

Built 1929 Load: 50.2 t ADT: 5,738

FOREST AV

Fair

Over: PRESUMPSCOT RIVER

PORTLAND-WESTBROOK, Cumberland, ME

Built 1994 Load: 50.2 t ADT: 9,955

NORWAY RD

Fair

Over: CROOKED RIVER

HARRISON-OTISFIELD T.L., Cumberland, ME

Built 1986 Load: 50.2 t ADT: 3,570

PORTAGE RD

Fair

Over: LITTLE MACHIAS RIVER

2.2 MI NW OF JCT RTE 227, Aroostook, ME

Built 1970 Load: 50.2 t ADT: 2,042

BRANCH RD

Fair

Over: MERRILAND RIVER

2 MI N JCT 109, York, ME

Built 1948 Load: 50.2 t ADT: 2,460

NEW VINEYARD RD

Fair

Over: LEMON STREAM

.4 MI S OF NEW PORTLAND, Franklin, ME

Built 1954 Load: 50.2 t ADT: 2,924

I 95

Fair

Over: M C RR

0.1 MI E OF 95 / US201, Somerset, ME

Built 1964 Load: 50.2 t ADT: 9,750

REDDING RD

Fair

Over: W BRANCH NEZINSCOT RIVER

1.0 MI W.BLACK MTN RD, Oxford, ME

Built 1998 Load: 50.5 t ADT: 112

BETHEL RD

Fair

Over: MOOSE POND BROOK

0.6 MI S OF JCT RTE 219, Oxford, ME

Built 1923 Load: 50.5 t ADT: 6,718

WINTER ST

Fair

Over: MOUSAM RIVER

.2 MI NE 109 ON 4A, York, ME

Built 1975 Load: 50.5 t ADT: 7,640

ELLIS RIVER RD

Fair

Over: HOWE VALLEY BROOK

0.5 MI S OF ANDOVER TL, Oxford, ME

Built 1980 Load: 50.5 t ADT: 846

GILMAN ST

Fair

Over: MESSALONSKEE STREAM

0.4 MI N JCT 104, Kennebec, ME

Built 1933 Load: 50.5 t ADT: 4,400

HUNNEWELL AV

Fair

Over: SEBASTICOOK RIVER

0.2 MI ELY JCT 11 & 100, Somerset, ME

Built 1960 Load: 50.5 t ADT: 1,681

SACO INTER (EB)

Fair

Over: I-95

0.263 mi E of Chelsea, York, ME

Built 1982 Load: 50.9 t ADT: 9,310

MOUNTAIN ROAD

Fair

Over: I-95

0.188 mi E Chases Pond Rd, York, ME

Built 1972 Load: 50.9 t ADT: 1,298

I-95

Fair

Over: OGUNQUIT RIVER

0.264 mi E Capt Thomas Rd, York, ME

Built 1947 Load: 50.9 t ADT: 24,850

MEDWAY RD

Fair

Over: EAST BRANCH PENOBSCOT RV

0.2 MI JCT RTE 11, Penobscot, ME

Built 1999 Load: 50.9 t ADT: 5,279

SEBOEIS RD

Fair

Over: SEBOEIS STREAM

.7 MI NO TOWNLINE, Penobscot, ME

Built 1922 Load: 50.9 t ADT: 154

BLACKBERRY HILL RD

Fair

Over: BOSTON AND MAINE RR

0.2 MI N OF JCT RTE 4, York, ME

Built 1981 Load: 51.2 t ADT: 1,580

US RTE 201

Fair

Over: BEAM BROOK

1.5 MI S TOWN LINE, Somerset, ME

Built 1952 Load: 51.2 t ADT: 1,625

INDEPENDENT ST

Fair

Over: KENDUSKEAG STREAM

250 E OF JCT HARLOW ST, Penobscot, ME

Built 1929 Load: 51.2 t ADT: 11,561

Showing 1,201-1,250 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.