State profile · Near national median SD

Hawaii bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Hawaii — drawn straight from the FHWA National Bridge Inventory.

1,206
Public bridges
37.0%
Good condition
6.5%
Poor condition
6.5%
Structurally deficient

Total Bridges

1,206

Public highway bridges in Hawaii

Good Condition

37.0%

446 bridges rated 7-9

-13.0pp vs 50% benchmark

Poor Condition

6.5%

78 bridges rated 0-4

Structurally Deficient

6.5%

78 bridges flagged for repair priority

-0.5pp vs national avg 7.0%

Hawaii vs national bridge condition

Hawaii — Good condition share 37.0%
National avg

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

Hawaii — Structurally deficient share 21.6%
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 — Hawaii (FHWA NBI)

Hawaii36.981757877280266%56.053067993366504%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Hawaii (FHWA NBI)

Hawaii 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 Hawaii on the same metric.

55

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851

37

North Carolina

6.16% top marginal rate
Structure
Progressive
Burden @ $100K
$18,901
Selected

15

Hawaii

6.47% top marginal rate
Structure
Progressive
Burden @ $100K
$1,206

30

Montana

6.70% top marginal rate
Structure
Progressive
Burden @ $100K
$5,122

36

New York

6.90% top marginal rate
Structure
Progressive
Burden @ $100K
$19,132

Bridges Needing Most Attention in Hawaii

Six lowest-condition bridges in Hawaii, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Hawaii

Route 311

Fair

Over: Unknown Stream

4.69 S Mokulele Hwy, Maui, HI

Built 2005 Load: 67.1 t ADT: 34,300

L. HONOAPIILANI RD

Fair

Over: HONOKOWAI STRM

0.2MI N/XX NEW_OLD, Maui, HI

Built 1967 Load: 67.7 t ADT: 7,850

FERN ST.

Fair

Over: FERN ST/MAKIKI STRM

TMK=2-3-23, Honolulu, HI

Built 1931 Load: 71.9 t ADT: 2,030

L. HONOAPIILANI RD

Fair

Over: MAHINAHINA STRM

1.002MI N/HON'PIILANI HWY, Maui, HI

Built 1992 Load: 73.2 t ADT: 8,946

Route 311

Fair

Over: Unknown Stream

5.69 mi S Mokulele Hwy, Maui, HI

Built 2005 Load: 73.5 t ADT: 34,300

Kaumana Drive

Fair

Over: WAIPAHOEHOE STRM

Chong St. Intersection, Hawaii, HI

Built 1924 Load: 74.8 t ADT: 7,600

HAWAII BELT RD

Fair

Over: AAMANU STRM(PAAUILO SCH)

1.27MI E/PLT RD, Hawaii, HI

Built 1982 Load: 76.5 t ADT: 7,200

Route 311

Fair

Over: Pulehu Stream

.54 S Waiko Rd, Maui, HI

Built 2005 Load: 78.1 t ADT: 34,300

99SB 23A

Fair

Over: PH RAMP WN-PH I.C. #3

0.35 MI S/PLT DR SEP, Honolulu, HI

Built 1975 Load: 79.1 t ADT: 7,100

KUIHELANI HIGHWAY

Fair

Over: UNNAMED STREAM

1.8 MI E HONOAPIILANI HWY, Maui, HI

Built 2002 Load: 82.6 t ADT: 16,100

PALI HWY

Fair

Over: MOUNTAIN (PALI BR NO 4C)

0.605MI NE/PALI LKOT RD, Honolulu, HI

Built 1961 Load: 86.2 t ADT: 42,100

OLD MAMALAHOA HWY

Fair

Over: PUUOKALEPA STREAM

TMK: 2-7-023:003, Hawaii, HI

Built 1904 Load: 88.8 t ADT: 1,090

FAI-H2

Fair

Over: PANAKAUAHI 4-144" CULVT

0.63MI N/URBAN, Honolulu, HI

Built 1973 Load: 89.8 t ADT: 111,100

FAI-H2

Fair

Over: 2-132" STRUC.P DRN CULVT

0.04MI E/MEHEULA SEP, Honolulu, HI

Built 1975 Load: 89.8 t ADT: 55,400

Honoapiilani Bypas

Fair

Over: Kauaula Stream

0.25mi N/ Hokiokio Pl, Maui, HI

Built 2013 Load: 93.0 t ADT: 16,500

HANA HWY

Fair

Over: KAUPAKALUA STRM

0.19MI E/HAIKU&ULUMALU, Maui, HI

Built 2003 Load: 93.3 t ADT: 3,800

KAPULE HWY

Fair

Over: HANAMAULU RIVER

.83 MI N OF AHUKINI RD, Kauai, HI

Built 1988 Load: 94.3 t ADT: 22,400

PALI HWY

Fair

Over: PALI BR 1 IB(PART'L)

0.32MI NE/PALI LKOT RD, Honolulu, HI

Built 1956 Load: 96.6 t ADT: 42,100

PLANTATION RD

Fair

Over: Hawaii Belt Rd

1.84MI E/AKAKA FALLS RD, Hawaii, HI

Built 1950 Load: 97.2 t

KOMOHANA ST

Fair

Over: ALENAIO STREAM

TMK: 2-3-037:020, Hawaii, HI

Built 2001 Load: 97.2 t ADT: 13,241

SADDLE ROAD

Fair

Over: INTERMITTEN STREAM

TMK: 2-5-002:029, Hawaii, HI

Built 1976 Load: 97.2 t ADT: 2,200

KUKUIHAELE RD

Fair

Over: WAIKOEKOE GULCH

0.4 MI E/MUD LN, Hawaii, HI

Built 1981 Load: 97.2 t ADT: 100

FT SHAFTER RD

Fair

Over: FT SHAFTER-MOANALUA RD

0.57MI E/OFF RAMP PAA ST, Honolulu, HI

Built 1979 Load: 97.2 t ADT: 21,500

ALA-AOLANI ST.

Fair

Over: ALA AOLANI/MOANALUA STRM

TMK=1-1-39, Honolulu, HI

Built 1962 Load: 97.2 t ADT: 3,947

FARR. HWY

Fair

Over: MAKAKILO GULCH

TMK:9-1-16 BRYAN 104F2, Honolulu, HI

Built 1995 Load: 97.2 t ADT: 7,247

MANAGERS DR.

Fair

Over: DRAINAGE CHANNEL

TMK:9-4-02, Honolulu, HI

Built 1990 Load: 97.2 t ADT: 2,000

Poipu Road

Fair

Over: Waikomo Stream

0.06MI SE/LAWAI-POIPU, Kauai, HI

Built 1998 Load: 97.2 t ADT: 11,000

HANA HWY

Fair

Over: HALEHAKU GULCH(KAKIPI)

0.45MI E/KAUPAKALUA RD, Maui, HI

Built 1966 Load: 97.2 t ADT: 4,000

KUIHELANI HIGHWAY

Fair

Over: WAIHEE DITCH

3 MI E HONOAPIILANI HWY, Maui, HI

Built 2002 Load: 97.2 t ADT: 16,100

KUAKINI HIGHWAY

Fair

Over: TWN MTL PL CULVT

2.80MI S/PALANI RD, Hawaii, HI

Built 1984 Load: 99.9 t ADT: 25,300

AINALAKO RD

Fair

Over: 4 MILE CREEK

TMK 2-4-005:056, Hawaii, HI

Built 1972 Load: 99.9 t ADT: 4,120

KULA HWY

Fair

Over: HAAKAKAI STRM 2-10 CUL'T

0.23MI N/OHANA ST, Maui, HI

Built 1964 Load: 99.9 t

PEDESTRIAN

Good

Over: WAIKOLU STREAM

2.74 MI N OF KAUNIHO RD, Hawaii, HI

Built 1995

RANGE ROAD

Good

Over: SIPHON PIPE

BETWEEN STORAGE 39 & 40, Honolulu, HI

Built 1969 ADT: 2

MAURICIO ROAD

Good

Over: DRAINAGE DITCH

SOUTH RANGE, Honolulu, HI

Built 2014 ADT: 100

Kamalu Rd

Good

Over: Kalama Stream

0.27 mi NE/ Opaekaa Rd, Kauai, HI

Built 2022 ADT: 4,200

KAAMALIO DR

Good

Over: KAAMALIO DR/MANOA STRM

TMK=2-9-38(MANOA), Honolulu, HI

Built 1976 Load: 6.2 t ADT: 4,000

KAUPEA STREET

Good

Over: UNKNOWN STREAM

0.8MI E/MAKANI RD INT, Maui, HI

Built 1983 Load: 6.8 t ADT: 7,100

KAHANA DR

Good

Over: KEAAKAUKAU GULCH

TMK: 4-6-009:054, Hawaii, HI

Built 1930 Load: 7.5 t ADT: 700

NORTH PECK RD

Good

Over: RELIEF N PECK RD

310' NW/HWY 11, Hawaii, HI

Built 1940 Load: 8.1 t ADT: 340

KAUKONAHUA RD

Good

Over: NORTH POAMOHO STRM

0.05MI N/HUKILAU LOOP, Honolulu, HI

Built 1934 Load: 8.7 t ADT: 7,600

LOWER KULA RD

Good

Over: KALIALINUI GULCH

5.18MI/XX HANA HWY, Maui, HI

Built 1911 Load: 9.1 t ADT: 30

MANOWAIOPAE HMSTD

Good

Over: KILAU STRM

50' SW/Spencer Rd, Hawaii, HI

Built 1930 Load: 10.4 t ADT: 200

HANA HIGHWAY

Good

Over: HOLOINAWAWAE GULCH

0.07mi S of Uakea Road, Maui, HI

Built 1915 Load: 10.7 t ADT: 1,865

ALIIKOA ST

Good

Over: KAPAKAHI STRM/ALIIKOA

TMK:3-5-19, Honolulu, HI

Built 1954 Load: 13.0 t ADT: 5,300

HALEAKALA HWY

Good

Over: LOWRIE DITCH

HALEAKALA HWY/KEAHUA CHRD, Maui, HI

Built 1972 Load: 13.3 t ADT: 32,700

N KUAKINI ST

Good

Over: WAIOLANI STRM

100'N/HUNA/N KUAKINI ST, Honolulu, HI

Built 1934 Load: 13.9 t ADT: 14,427

PRIVATE RD

Good

Over: BURMEISTER OP-LIKELIKE H

1.25MI NE/VALLEY VIEW DR, Honolulu, HI

Built 1959 Load: 14.3 t ADT: 31,200

KALUA RD.

Good

Over: KALUA RD BR/PALOLO STRM

TMK=3-4-01(PALOLO VLLY), Honolulu, HI

Built 1953 Load: 14.3 t ADT: 787

MAKAWAO AVE

Good

Over: KAILUA GULCH

0.70MI N/HALEAKALA HWY, Maui, HI

Built 1930 Load: 14.3 t ADT: 9,168

Showing 651-700 of 1,206 bridges

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.