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

WATERBORO RD

Fair

Over: SHAKER POND OUTLET

1.6 MI NLY OF RTE 111, York, ME

Built 1951 Load: 37.6 t ADT: 8,082

WELD RD

Fair

Over: TEMPLE BROOK

1.5 MI E TOWNLINE, Franklin, ME

Built 1961 Load: 37.6 t ADT: 935

MILL ST

Fair

Over: MOUSAM RIVER

0.3 MI N OF JCT RTE 99, York, ME

Built 1961 Load: 37.6 t ADT: 3,458

I 95 NB

Fair

Over: Quarry RD

0.2 MI S JCT RTE 104, Kennebec, ME

Built 1960 Load: 37.6 t ADT: 15,870

I 95 NB

Fair

Over: M C RR & PERRY ROAD

0.2 MI W OF 95 / I-395, Penobscot, ME

Built 1962 Load: 37.6 t ADT: 15,340

LITTLE HOUSTON BRO

Fair

Over: HOUSTON BROOK

0.3 MI S JCT ROWE POND RD, Somerset, ME

Built 1996 Load: 37.6 t ADT: 40

BENNOCH RD

Fair

Over: I-95 NB & SB

INTERCHANGE 198, Penobscot, ME

Built 1965 Load: 37.6 t ADT: 2,494

LILY BAY RD

Fair

Over: LILY BAY STREAM

1.3 MI N OF BEAVER COVE, Piscataquis, ME

Built 1969 Load: 37.6 t ADT: 410

E HEBRON RD

Fair

Over: NEZINSCOT RIVER

0.2 MI S JCT 117, Androscoggin, ME

Built 1972 Load: 37.6 t ADT: 715

I 295 NB

Fair

Over: CONGRESS ST

EXIT 5, Cumberland, ME

Built 1973 Load: 37.6 t ADT: 29,400

I 295 SB

Fair

Over: Congress & Park Streets

Exit 5, Cumberland, ME

Built 1973 Load: 37.6 t ADT: 35,330

I-95

Fair

Over: MCRR (NB)

0.214 mi NW of Pinetree, Cumberland, ME

Built 1956 Load: 37.9 t ADT: 23,100

I-95 (NB)

Fair

Over: CENTRAL STREET

0.112 mi NW of Orchard Ln, Kennebec, ME

Built 1956 Load: 37.9 t ADT: 16,080

ENTERPRISE RD

Fair

Over: BROWN BROOK

.4 MI S DOLE RIDGE RD, York, ME

Built 1985 Load: 37.9 t ADT: 590

I 95 NB

Fair

Over: OAKFIELD-SMYRNA RD

INTERCHANGE 286, Aroostook, ME

Built 1966 Load: 37.9 t ADT: 1,900

I-95 SB

Fair

Over: MCRR (SB)

0.223 mi NW of Pinetree, Cumberland, ME

Built 1956 Load: 37.9 t ADT: 24,780

I-95(SB)

Fair

Over: LISBON ST/RTE 196 & MCRR

0.209 mi N of N Lisbon Rd, Androscoggin, ME

Built 1956 Load: 37.9 t ADT: 6,280

I-95(SB)

Fair

Over: CENTRAL STREET

0.121 mi NW of Orchard Ln, Kennebec, ME

Built 1956 Load: 37.9 t ADT: 16,020

ROBERTSON BLVD

Fair

Over: I-395

OVER 395 0.4 MI E OF T.L., Penobscot, ME

Built 1985 Load: 37.9 t ADT: 1,281

DEXTER RD

Fair

Over: LAKE WASSOOKEAG

0.5 MI NW OF JCT RTE 7, Penobscot, ME

Built 1949 Load: 37.9 t ADT: 3,916

MOODY RD

Fair

Over: MARSH STREAM

1.4 MI E OF JCT RTE 141, Waldo, ME

Built 1963 Load: 37.9 t ADT: 420

CENTER ST

Fair

Over: E CHANNEL-PENOBSCOT RV

0.2 MI E OF JCT RTE 2A, Penobscot, ME

Built 2007 Load: 37.9 t ADT: 13,523

PHILLIPS RD

Fair

Over: EAST BROOK

2.8 MI NLY JCT RTE 156, Franklin, ME

Built 1934 Load: 37.9 t ADT: 409

W PARIS RD

Fair

Over: TWITCHEL(MORGAN) BROOK

2.2 MI W OF WEST PARIS TL, Oxford, ME

Built 1936 Load: 37.9 t ADT: 289

ROUTE 1

Fair

Over: ROYAL RIVER

1 MI S I95, Cumberland, ME

Built 1948 Load: 37.9 t ADT: 6,729

NORTH ST

Fair

Over: M C RR

0.3 MI W OF JCT RTE 104, Kennebec, ME

Built 1976 Load: 37.9 t ADT: 4,576

N BUCKFIELD RD

Fair

Over: NEZINSCOT RIVER(W.BR.)

.5 MI SLY SUMNER T.L., Oxford, ME

Built 1951 Load: 37.9 t ADT: 590

GILMAN RD

Fair

Over: CASCO BAY

1.6 MI S JCT RTE 88, Cumberland, ME

Built 1955 Load: 37.9 t ADT: 2,240

VALLEY RD

Fair

Over: W BR WESSERUNSET STREAM

1.8 MI W JCT 151, Somerset, ME

Built 1967 Load: 37.9 t ADT: 390

I-95 (NB)

Fair

Over: ST. LAWRENCE-ATLANTIC RR

0.136 mi E of Hotel Rd, Androscoggin, ME

Built 1956 Load: 38.2 t ADT: 9,460

BROADTURN ROAD

Fair

Over: I-95

0.216 mi NW of Saratoga, Cumberland, ME

Built 1993 Load: 38.2 t ADT: 4,951

LUNTS HILL ROAD

Fair

Over: MTPK

0.241 mi NW of Plains Rd, Kennebec, ME

Built 1956 Load: 38.2 t ADT: 173

I-95 (NB)

Fair

Over: COBBOSSEECONTEE STREAM

0.240 mi W of Plains Rd, Kennebec, ME

Built 1956 Load: 38.2 t ADT: 4,970

I 95 SB

Fair

Over: ROUTE 158 (MAIN ST)

I-95 INTERCHANGE 264, Aroostook, ME

Built 1967 Load: 38.2 t ADT: 2,180

I-95 (SB)

Fair

Over: ST. LAWRENCE-ATLANTIC RR

0.130 mi E of Hotel Rd, Androscoggin, ME

Built 1956 Load: 38.2 t ADT: 9,830

I 295 SB

Fair

Over: ROYAL RIVER

1.2 MI N US 1, Cumberland, ME

Built 1959 Load: 38.2 t ADT: 27,080

NEW COUNTY RD

Fair

Over: COOKS BROOK

1.9 MI NW OF JCT RTE 35, York, ME

Built 1932 Load: 38.2 t ADT: 4,258

US2 & US201

Fair

Over: KENNEBEC RIVER

JCT 2&201, Somerset, ME

Built 1976 Load: 38.2 t ADT: 18,813

MAIN RD

Fair

Over: PASSADUMKEAG RIVER

3.5 MI.N.TOWNLINE, Penobscot, ME

Built 1930 Load: 38.2 t ADT: 1,722

WASHINGTON RD

Fair

Over: W.BR.DAVIS STREAM

1.6 MI S TOWNLINE, Lincoln, ME

Built 1933 Load: 38.2 t ADT: 1,090

I 295 NB

Fair

Over: BACK BAY (ATLANTIC O)

1.6 MI S TOWNLINE, Cumberland, ME

Built 1960 Load: 38.2 t ADT: 43,800

CANAAN RD

Fair

Over: KENNEBEC RIVER

0.1 MI E OF JCT RTE 201, Kennebec, ME

Built 1983 Load: 38.2 t ADT: 3,593

HANNAFORD HILL RD

Fair

Over: OUTLET OF WEBBER POND

0.2 MI E OF WEBBER ROAD, Kennebec, ME

Built 2008 Load: 38.2 t ADT: 776

HIGH ST

Fair

Over: RTE 1

OVER US1 1.5 MI E OF TL, Sagadahoc, ME

Built 1947 Load: 38.2 t ADT: 7,281

MAIN ST

Fair

Over: MILL STREAM

SO END OF ISLAND, Knox, ME

Built 1959 Load: 38.2 t ADT: 4,273

BEANS MILLS RD

Fair

Over: KENDUSKEAG STREAM

0.6 MI S OF JCT RTE 11, Penobscot, ME

Built 1966 Load: 38.2 t ADT: 318

I 95 SB

Fair

Over: HOYT BROOK

3.3 MI S OF HOWLAND, Penobscot, ME

Built 1964 Load: 38.2 t ADT: 4,660

RIVER RD

Fair

Over: PENOBSCOT RV

.8 MI.W. US#2&6, Penobscot, ME

Built 1971 Load: 38.2 t ADT: 5,310

ROUTE 3 RD

Fair

Over: WEST BRANCH SHEEPSCOT RV

0.5 MI NW OF PALERMO T L, Kennebec, ME

Built 1966 Load: 38.2 t ADT: 4,952

I 95 NB

Fair

Over: ROUTE 158 (MAIN ST)

I-95 INTERCHANGE 264, Aroostook, ME

Built 1967 Load: 38.2 t ADT: 1,790

Showing 801-850 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.