Kamehameha Hwy
Carrying Kamehameha Hwy over ANAHULU STRM
0.052MI NE/INT HALEIWA/K, Honolulu, Hawaii
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Kamehameha Hwy
The Kamehameha Hwy bridge in Honolulu, Hawaii carries Kamehameha Hwy over ANAHULU STRM. It was built in 1921, making it 105 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 49.1 meters (161 feet) end to end. Daily traffic averages 12,850 vehicles, placing it in the heavily-trafficked tier of Hawaii bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 17.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Kamehameha Hwy compares
Live comparison across Hawaii.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1921
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 49.1 m (161 ft)
- Deck Width
- 10.0 m (33 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 12,850 vehicles/day
- Structure Number
- 00300C291100137
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
How to read this record
Kamehameha Hwy is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare Kamehameha Hwy against other structures in Honolulu and across Hawaii. Hawaii bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for Kamehameha Hwy?
Kamehameha Hwy in Honolulu, Hawaii has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is Kamehameha Hwy inspected?
Kamehameha Hwy's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 12,850 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Kamehameha Hwy is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for Kamehameha Hwy?
Kamehameha Hwy has an NBI inventory load rating of 17.5 metric tons.
Who is responsible for maintaining Kamehameha Hwy?
Kamehameha Hwy is owned and maintained by County Highway Agency.
How old is Kamehameha Hwy and does age affect safety?
Kamehameha Hwy was built in 1921, making it 105 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.