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Bridge conditions in Honolulu County, Hawaii

676 inventoried bridges · 40 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Honolulu County tracks close to typical: 40 of its 676 inventoried bridges (5.9%) are rated poor, against a national rate of about 7%.

40 of the 676 bridges in Honolulu County, Hawaii, are rated in poor condition (5.9%) in the 2025 National Bridge Inventory, as of August 20, 2026.
272 bridges (40.2%) are rated good and 364 (53.8%) fair.
The median Honolulu County bridge was built in 1967.
The busiest poor-rated bridge is Kam Hwy/keehi Ic over Kalihi Strm /ob (built 1943), carrying about 70,510 vehicles a day.

Good 40.2% · Fair 53.8% · Poor 5.9% of 676 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Kam Hwy/keehi Ic over Kalihi Strm /ob	1943	70,510	Poor
Halawa IC Ramp G&H over Halawa Heights Stream	1971	58,709	Poor
Kal Hwy over Niu Strm	1934	58,500	Poor
Nimitz Hwy over Kapalama Canal (E.B)	1949	57,600	Poor
Nimitz Hwy over Nuuanu Strm (W.B.)	1932	57,600	Poor
Nimitz Hwy over Slip Cover #3 Hon Hbr	1952	57,600	Poor
Nimitz Hwy over Slip Cover #4 Hon Hbr	1952	57,600	Poor
Farr Hwy over Dbl Sectl Pl Culvt-strm	1965	36,500	Poor
Farr Hwy over Mailiili Strm	1949	26,100	Poor
Kam Hwy over Nf Kaukonahua(k Thot)	1932	25,800	Poor
Nimitz Hwy over Kalihi Strm	1945	24,300	Poor
Farr Hwy over Nanaikapono Strm	1969	24,200	Poor
Farr Hwy over Ulehawa Strm	1963	24,200	Poor
Farr Hwy over Kaupuni Strm	1937	18,800	Poor
Farr Hwy over Unmd Strm(makaha #2A)	1937	18,700	Poor
Pensacola Street over Pensacola Relief Drain	1970	16,994	Poor
Kam Hwy over Waiahole Strm(county)	1922	16,500	Poor
Kam Hwy over Kahawainui Strm-laiewai	1933	13,700	Poor
Kam Hwy over Laieloa Strm	1932	13,700	Poor
Kam Hwy over Kahaluu Strm	1980	13,700	Poor
Kamehameha Hwy over Anahulu Strm	1921	12,850	Poor
Waipahu St over Waikele Strm	1905	11,182	Poor
Kam Hwy over Maheiwi Strm	1926	11,100	Poor
Kam Hwy over N Punaluu Strm	1926	11,100	Poor
Ala Moana Blvd over Drainage	1967	10,850	Poor
Kal Hwy over Kahawai Strm(east)	1924	10,200	Poor
Kam Hwy over Kuilima-oio Strm	1931	8,600	Poor
Waipio Pt. Acc Rd over Wailani Stream	1967	7,835	Poor
Farr Hwy over Farr Hwy/palehua Strm	1922	5,685	Poor
Geiger Road over Geiger Road	1990	5,100	Poor
Kuliouou Rd. over Kuliouou Stream	1968	2,728	Poor
Farr Hwy over Kaiahi Strm(makua)dbl B	1964	1,300	Poor
Kalihi St over Kalihi St BR#3/KALIHI St	1942	1,073	Poor
Ala Wai GC Culvert over Ala Wai GC Drain	1975	1,000	Poor
Auloa Rd over Auloa Rd/maunawili Strm	1921	900	Poor
Numana Rd over Numana Rd/kalihi Strm	1969	603	Poor
Tinker Road over Waimanalo Stream	1941	500	Poor
Range Road over Kipapa Stream	1969	20	Poor
Range Road over Kaukonahua Stream	1959	20	Poor
Pohakunui Ave over Nanakuli Stream	2004	–	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Fai-h1 over 3-162" Sectl Pl Culvt	1970	247,700	Good
Fai-h1 over 2-180in Sectl Pl Culvt	1970	247,700	Good
Fai-h1 over Aiea Strm 15x12 Twn Culv	1970	247,700	Good
Fai-h1 over Waimalu Via-strm/hwy	1970	244,000	Fair
Fai-h1 over Pearl City Viaduct	1969	231,700	Fair
Fai-h1 over Waiau Ic-moanalua Rd	1970	202,900	Fair
Halona St over Kapalama Canal	1938	196,900	Good
Olomea St over Kapalama Canal	1965	196,900	Fair
Fai-h1 over Kapalama Canal	1965	196,900	Fair
Fai-h1 over Palama St(hwy Op)	1965	196,900	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Hawaii: Hawaii bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.