AINALAKO RD
Carrying AINALAKO RD over 4 MILE CREEK
TMK 2-4-005:056, Hawaii, Hawaii
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: AINALAKO RD
The AINALAKO RD bridge in Hawaii, Hawaii carries AINALAKO RD over 4 MILE CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of steel and spans 4 sections, stretching 9.2 meters (30 feet) end to end. Daily traffic averages 4,120 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 culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 99.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How AINALAKO RD 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 How the historical reference is calculated.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
- 1972
- Material
- Steel
- Number of Spans
- 4
- Structure Length
- 9.2 m (30 ft)
- Deck Width
- 12.3 m (40 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 4,120 vehicles/day
- Structure Number
- 001240001100005
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether AINALAKO RD 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 AINALAKO RD 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 AINALAKO RD?
AINALAKO RD in Hawaii, Hawaii on the FHWA's 0–9 scale.
How often is AINALAKO RD inspected?
AINALAKO RD'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 4,120 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. AINALAKO RD 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 AINALAKO RD?
AINALAKO RD has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining AINALAKO RD?
AINALAKO RD is owned and maintained by County Highway Agency.
How old is AINALAKO RD and does age affect safety?
AINALAKO RD was built in 1972, making it 54 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.