FHWA NBI 2024 Inspection record Public-domain dataset

HWY 453

Carrying HWY 453 over RIVERSIDE CANAL

1.6 MI. E. HWY. 454, Malheur, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
50 t Inventory load rating

Bridge Snapshot: HWY 453

The HWY 453 bridge in Malheur, Oregon carries HWY 453 over RIVERSIDE CANAL. It was built in 1999, making it 27 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 243 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 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. Its NBI inventory load rating is 49.9 metric tons.

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

How HWY 453 compares

▲ 17.6
Load rating vs Oregon average (32.3 t)
Top 12%
Higher load rating than 88% of Oregon bridges
181
Bridges in Malheur · 5 in Poor condition
HWY 453 49.9 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
97.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1999
Material
Concrete
Number of Spans
1
Structure Length
6.4 m (21 ft)
Owner
State Highway Agency
Avg Daily Traffic
243 vehicles/day
Structure Number
18519 453 00159

How to read this record

This page shows what the last federal inspection recorded, not whether HWY 453 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 453 against other structures in Malheur 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 453?

HWY 453 in Malheur, Oregon on the FHWA's 0–9 scale.

How often is HWY 453 inspected?

HWY 453'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 243 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 453 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 HWY 453?

HWY 453 has an NBI inventory load rating of 49.9 metric tons.

Who is responsible for maintaining HWY 453?

HWY 453 is owned and maintained by State Highway Agency.

How old is HWY 453 and does age affect safety?

HWY 453 was built in 1999, making it 27 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.