FHWA NBI 2024 Inspection record Public-domain dataset

RIGGS RD.

Carrying RIGGS RD. over WAPATO CANAL

00.15 S LATERAL 1, Yakima, Washington

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
97 t Inventory load rating Higher than 99% of rated Washington bridges

RIGGS RD. in Yakima, Washington sits above 99% of rated Washington bridges on inventory load rating (97 t), while its 1964 build year is earlier than 66% of Yakima's recorded-year cohort (558 bridges).

RIGGS RD. in Yakima, Washington is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1964, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure WA:079866000000000

INTERSTATE-ERA · STEEL · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: RIGGS RD.

The RIGGS RD. bridge in Yakima, Washington carries RIGGS RD. over WAPATO CANAL. It was built in 1964, making it 62 years old today. The structure is built primarily of steel and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 267 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How RIGGS RD. compares

▲ 62.9
Load rating vs Washington average (34.0 t; 8,455 of 8,474 rated)
558
Bridges in Yakima · 28 in Poor condition

Age against the county: built in 1964, earlier than 366 of Yakima's 558 bridges with a recorded construction year (66%), against a county median build year of 1972. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

RIGGS RD. 96.9 t
Washington average (8,455 of 8,474 rated) 34.0 t

Live comparison across Washington bridges with a recorded inventory load rating (8,455 of 8,474 rated).

RIGGS RD. vs every rated Washington bridge

Inventory load rating (metric tons), FHWA NBI, this state

97 Top 1% higher than 99% of 8,455 bridges

rated Washington bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
96.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Yakima inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 558 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1964
Material
Steel
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
8.4 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
267 vehicles/day
Structure Number
079866000000000

How to read this record

This page shows what the last federal inspection recorded, not whether RIGGS 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 RIGGS RD. against other structures in Yakima and across Washington. Washington 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 RIGGS RD.?

RIGGS RD. in Yakima, Washington on the FHWA's 0–9 scale.

How often is RIGGS RD. inspected?

RIGGS 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 267 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RIGGS RD. is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for RIGGS RD.?

RIGGS RD. has an NBI inventory load rating of 96.9 metric tons.

Who is responsible for maintaining RIGGS RD.?

RIGGS RD. is owned and maintained by County Highway Agency.

How old is RIGGS RD. and does age affect safety?

RIGGS RD. was built in 1964, making it 62 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

XFacebookLinkedInWhatsAppEmail

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.