FHWA NBI 2024 Inspection record Public-domain dataset

KAL HWY WAIMANALO

Carrying KAL HWY WAIMANALO over 30X10 RCB CULVT

WAIMANALO DRAINAGE DITCH, Honolulu, Hawaii

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: KAL HWY WAIMANALO

The KAL HWY WAIMANALO bridge in Honolulu, Hawaii carries KAL HWY WAIMANALO over 30X10 RCB CULVT. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 10,600 vehicles, placing it in the heavily-trafficked tier of Hawaii bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert 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 32.7 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How KAL HWY WAIMANALO compares

▼ 0.5
Load rating vs Hawaii average (33.2 t)
Top 41%
Higher load rating than 59% of Hawaii bridges
686
Bridges in Honolulu · 47 in Poor condition
KAL HWY WAIMANALO 32.7 t
Hawaii average 33.2 t

Live comparison across Hawaii.

Historical Sufficiency Rating

PlainBridge-computed
93.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
26.0
Essentiality /15
12.0
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1978
Material
Concrete
Number of Spans
1
Structure Length
9.1 m (30 ft)
Deck Width
22.1 m (73 ft)
Owner
State Highway Agency
Avg Daily Traffic
10,600 vehicles/day
Structure Number
003000720300574

How to read this record

This page shows what the last federal inspection recorded, not whether KAL HWY WAIMANALO 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 KAL HWY WAIMANALO 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 KAL HWY WAIMANALO?

KAL HWY WAIMANALO in Honolulu, Hawaii on the FHWA's 0–9 scale.

How often is KAL HWY WAIMANALO inspected?

KAL HWY WAIMANALO'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 10,600 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. KAL HWY WAIMANALO 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 KAL HWY WAIMANALO?

KAL HWY WAIMANALO has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining KAL HWY WAIMANALO?

KAL HWY WAIMANALO is owned and maintained by State Highway Agency.

How old is KAL HWY WAIMANALO and does age affect safety?

KAL HWY WAIMANALO was built in 1978, making it 48 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.