FHWA NBI 2024 Inspection record Public-domain dataset

AROCK C-729

Carrying AROCK C-729 over JORDAN CREEK

1.8 M N HWY 95, Malheur, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: AROCK C-729

The AROCK C-729 bridge in Malheur, Oregon carries AROCK C-729 over JORDAN CREEK. It was built in 1970, making it 56 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 45.7 meters (150 feet) end to end. Daily traffic averages 244 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 17.5 metric tons.

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

How AROCK C-729 compares

▼ 14.8
Load rating vs Oregon average (32.3 t)
Bottom 13%
Lower load rating than 87% of Oregon bridges
181
Bridges in Malheur · 5 in Poor condition
AROCK C-729 17.5 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
57.5 / 100 - historical 50–79.9 band
Structural adequacy /55
36.3
Serviceability /30
17.8
Essentiality /15
11.4
Special reductions
−8.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
17.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1970
Material
Prestressed Concrete
Number of Spans
3
Structure Length
45.7 m (150 ft)
Deck Width
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
244 vehicles/day
Structure Number
09996 072900050

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether AROCK C-729 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 AROCK C-729 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 AROCK C-729?

AROCK C-729 in Malheur, Oregon has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is AROCK C-729 inspected?

AROCK C-729'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 244 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. AROCK C-729 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 AROCK C-729?

AROCK C-729 has an NBI inventory load rating of 17.5 metric tons.

Who is responsible for maintaining AROCK C-729?

AROCK C-729 is owned and maintained by County Highway Agency.

How old is AROCK C-729 and does age affect safety?

AROCK C-729 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

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.