FHWA NBI 2024 Inspection record Public-domain dataset

HWY 293

Carrying HWY 293 over ANTELOPE CREEK

031 MI S HWY 4 JCT, Wasco, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: HWY 293

The HWY 293 bridge in Wasco, Oregon carries HWY 293 over ANTELOPE CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 259 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 28.5 metric tons.

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

How HWY 293 compares

▼ 3.8
Load rating vs Oregon average (32.3 t)
Bottom 46%
Lower load rating than 54% of Oregon bridges
148
Bridges in Wasco · 12 in Poor condition
HWY 293 28.5 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
94.1 / 100 - historical 80–100 band
Structural adequacy /55
52.5
Serviceability /30
30.0
Essentiality /15
14.6
Special reductions
−3.0

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 How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1966
Material
Concrete Continuous
Number of Spans
3
Structure Length
27.4 m (90 ft)
Deck Width
9.9 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
259 vehicles/day
Structure Number
09452 293 00310

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY 293 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 HWY 293 against other structures in Wasco and across Oregon. Oregon 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 HWY 293?

HWY 293 in Wasco, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is HWY 293 inspected?

HWY 293'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 259 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 293 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 HWY 293?

HWY 293 has an NBI inventory load rating of 28.5 metric tons.

Who is responsible for maintaining HWY 293?

HWY 293 is owned and maintained by State Highway Agency.

How old is HWY 293 and does age affect safety?

HWY 293 was built in 1966, making it 60 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.