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

FIVE ROAD

Unknown

Over: M C RR

0.6 MI N JCT RTE 2 & 100, ME

ADT: 770

DUTTON STREET

Unknown

Over: MAINE CENTRAL RAIL

MCRR TURNTABLE YARD, ME

ADT: 1,249

ELM CT & PLEASANT

Unknown

Over: CPRR

300 FT W RTE 11 ON ELM CT, ME

ADT: 895

WEST ST RT 15 & 6

Unknown

Over: CPRR

.2 MI E TOWNLINE, ME

ADT: 2,813

OLD ARROWSIC ROAD

Unknown

Over: SMO RAILROAD

0.3 MI S'LY OF ROUTE 1, ME

ADT: 28

ISLAND AVENUE

Unknown

Over: MAINE CENTRAL RAIL

RT-201 FST LEFT OVER BRG, ME

ADT: 35

OLD BELFAST RD

Unknown

Over: BANGOR & AROOSTOOK

.1 MI W JCT 1A, ME

ADT: 250

I-95

Unknown

Over: OGUNQUIT/BERWICK

0.554 mi E of N. Village, ME

ADT: 22,400

I-95

Unknown

Over: CAPTAIN THOMAS ROA

0.080 mi E Village Green, ME

ADT: 22,400

I-95

Unknown

Over: HIGH ST./RTE. 9A

0.174 mi W of Harrisecket, ME

ADT: 23,310

I-95

Unknown

Over: CAT MOUSAM/RTE 99

0.178 mi W Coventry Woods, ME

ADT: 23,310

I-95

Unknown

Over: ALFRED ROAD/RTE 35

0.113 mi W of Old Alewive, ME

ADT: 23,310

I-95

Unknown

Over: BOOM ROAD

0.036 mi SE of Berry Rd, ME

ADT: 31,780

I-95

Unknown

Over: NEW COUNTY RD/RT 5

0.108 mi W of Shadagee, ME

ADT: 31,780

I-95

Unknown

Over: NORTH ST/RTE 112

0.274 mi W of Lund Rd, ME

ADT: 31,780

I-95

Unknown

Over: FLAG POND ROAD

0.476 mi E of Jenkins Rd, ME

ADT: 34,920

WHARF ST-TW

Unknown

Over: B & MRR

150 FT S COMMON ST, ME

ADT: 87

COMMON ST-TW

Unknown

Over: B&M RR

.5 MI S JCT 9, ME

ADT: 2,348

RTE 103

Unknown

Over: RTE 1 BYPASS

RTE 1 BYPASS, ME

ADT: 4,129

ROUTE US 2

Unknown

Over: I95 NORTHBOUND

I95 INTERCHANGE 291, ME

ADT: 1,296

I-95 NORTHBOUND

Unknown

Over: US ROUTE 2

OVER I95 MILE 284.2, ME

ADT: 1,790

KIRKLAND RD.

Unknown

Over: I-95 SB

1 MI N TOWNLINE, ME

ADT: 1,630

ROUTES 8,11,&27

Unknown

Over: I-95 SB

MILE 105.8 ON I-95 S B, ME

ADT: 19,940

MARTIN STREAM

Unknown

Over: I-95 SB

1.5 MI N US #202, ME

ADT: 2,223

RIVERSIDE STREET

Unknown

Over: I-95(SB)

0.126 mi W of Riverside, ME

ADT: 6,094

RTE 201

Unknown

Over: MCRR

.5 MI N RTE 104, ME

ADT: 13,050

WESTBROOK ARTERIAL

Unknown

Over: WOODLAWN AVENUE

0.5 MI S OF JCT RTE 25, ME

ADT: 6,320

I-395

Unknown

Over: PARKWAY SOUTH

0.5 MI W OF ROUTE 1A, ME

ADT: 10,700

I-395

Unknown

Over: GREEN POINT RD

0.4 MI S OF ROUTE 1A, ME

ADT: 6,860

SMYRNA ST US 2

Unknown

Over: BANGOR & AROOSTOOK

2 MI W JCT US 1, ME

ADT: 2,643

KENNEBEC RIVER + M

Unknown

Over: 100,201,202

.2 MI W 9, ME

ADT: 2,812

SA 1-D TOWN WAY

Unknown

Over: BANGOR & AROOSTOOK

2.8 MI N JCT 1A, ME

Built 1905 ADT: 89

MCRR & RAMPS TO 41

Unknown

Over: RTE 11, 100, US202

2.2 MI. NE TOWNLINE, ME

ADT: 10,416

KENSINGTON STREET

Unknown

Over: US 1 & I295

.2MI N 26, ME

ADT: 521

I-295

Unknown

Over: DURHAM RD

.8 MI NW'LY OF US1, ME

ADT: 22,470

INTERSTATE 295

Unknown

Over: MERRILL(DESERT) RD

INTERCHANGE 20, ME

ADT: 20,960

INTERSTATE 295

Unknown

Over: ROUTES 125 & 136

INTERCHANGE 22, ME

ADT: 23,660

INTERSTATE I-95

Unknown

Over: DENSMORE ROAD

1 MI W JCT RTE 104, ME

ADT: 15,790

I-95 NORTHBOUND

Unknown

Over: LYONS ROAD

0.5 MI W OF JCT RTE 104, ME

ADT: 15,790

INTERSTATE 95

Unknown

Over: SA 6

INTERCHANGE #47, ME

ADT: 18,780

KENDUSKEAG STR&VAL

Unknown

Over: INTERSTATE 95

0.7 MI W JCT RTE 15, ME

ADT: 2,126

ROUTES 8,11,&27

Unknown

Over: I-95 NORTHBOUND

I-95 INTERCHANGE 112, ME

ADT: 19,940

WEBSTER AVENUE

Unknown

Over: I-395 (IND SPUR)

0.3 MI E OF I-95, ME

ADT: 165

INTERSTATE 95

Unknown

Over: ROUTE 222

INTERCHANGE #47, ME

ADT: 18,780

INTERSTATE 295

Unknown

Over: ROUTE US 1

0.2 MI N'LY OF CUMBERLAND, ME

ADT: 23,690

INTERSTATE 95

Unknown

Over: OLD BELGRADE ROAD

1.0 MI N OF JCT RTE 104, ME

ADT: 18,160

INTERSTATE 95

Unknown

Over: RTE 17 US202 ETC

1.6 MI W OF JCT RTE 201, ME

ADT: 18,400

INTERSTATE 95

Unknown

Over: TRAFTON ROAD

OVER 95 0.3 MI N OF TL, ME

ADT: 14,930

WEBB ROAD

Unknown

Over: INTERSTATE 95 NB

1.4 MI N OF SIDNEY TL, ME

ADT: 1,770

INTERSTATE 95

Unknown

Over: ARMSTRONG ROAD

4.5 MI N TOWNLINE, ME

ADT: 16,920

Showing 101-150 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.