WAINAKU ST
Carrying WAINAKU ST over WAINAKU ST-WAILUKU RVR
TMK 2-3-14:4, Hawaii, Hawaii
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: WAINAKU ST
The WAINAKU ST bridge in Hawaii, Hawaii carries WAINAKU ST over WAINAKU ST-WAILUKU RVR. It was built in 1919, making it 107 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 39.3 meters (129 feet) end to end. Daily traffic averages 4,000 vehicles, placing it in the moderately-trafficked tier of Hawaii bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 52.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How WAINAKU ST 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 How the historical reference is calculated.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
- 1919
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 39.3 m (129 ft)
- Deck Width
- 12.6 m (41 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 4,000 vehicles/day
- Structure Number
- 001230001100002
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether WAINAKU ST is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare WAINAKU ST against other structures in Hawaii 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 WAINAKU ST?
WAINAKU ST in Hawaii, Hawaii has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is WAINAKU ST inspected?
WAINAKU ST'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 4,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WAINAKU ST is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for WAINAKU ST?
WAINAKU ST has an NBI inventory load rating of 52.8 metric tons.
Who is responsible for maintaining WAINAKU ST?
WAINAKU ST is owned and maintained by County Highway Agency.
How old is WAINAKU ST and does age affect safety?
WAINAKU ST was built in 1919, making it 107 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.