FHWA NBI 2024 Inspection record Public-domain dataset

SO 24TH AVENUE

Carrying SO 24TH AVENUE over WIDE HOLLOW CREEK

00.16 N WASHINGTON, Yakima, Washington

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating Lower than 73% of rated Washington bridges

SO 24TH AVENUE in Yakima, Washington sits above 27% of rated Washington bridges on inventory load rating (24 t), while its 1970 build year is earlier than 52% of Yakima's recorded-year cohort (558 bridges).

SO 24TH AVENUE in Yakima, Washington is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:085600000000000

INTERSTATE-ERA · CONCRETE · SINGLE-SPAN · SUPER-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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: SO 24TH AVENUE

The SO 24TH AVENUE bridge in Yakima, Washington carries SO 24TH AVENUE over WIDE HOLLOW CREEK. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 12,000 vehicles, placing it in the heavily-trafficked tier of Washington bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 6/9. 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.

How SO 24TH AVENUE compares

▼ 10.3
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 1970, earlier than 291 of Yakima's 558 bridges with a recorded construction year (52%), 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.

SO 24TH AVENUE 23.7 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).

SO 24TH AVENUE vs every rated Washington bridge

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

24 Top 73% higher than 27% 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

Deck
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
23.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

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
1970
Material
Concrete
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
18.9 m (62 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
12,000 vehicles/day
Structure Number
085600000000000

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

SO 24TH AVENUE 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 SO 24TH AVENUE 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 SO 24TH AVENUE?

SO 24TH AVENUE in Yakima, Washington has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SO 24TH AVENUE inspected?

SO 24TH AVENUE'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 12,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SO 24TH AVENUE 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 SO 24TH AVENUE?

SO 24TH AVENUE has an NBI inventory load rating of 23.7 metric tons.

Who is responsible for maintaining SO 24TH AVENUE?

SO 24TH AVENUE is owned and maintained by City/Municipal Highway Agency.

How old is SO 24TH AVENUE and does age affect safety?

SO 24TH AVENUE was built in 1970, making it 56 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

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

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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.