FHWA NBI 2024 Inspection record Public-domain dataset

IRR C123 WEST LOOP

Carrying IRR C123 WEST LOOP over FOLEY SLOUGH

0061 MI C121 FOLEY DR, Harney, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
52 t Inventory load rating

Bridge Snapshot: IRR C123 WEST LOOP

The IRR C123 WEST LOOP bridge in Harney, Oregon carries IRR C123 WEST LOOP over FOLEY SLOUGH. It was built in 1996, making it 30 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 19.5 meters (64 feet) end to end. Daily traffic averages 152 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 7/9, substructure 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 51.7 metric tons.

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

How IRR C123 WEST LOOP compares

▲ 19.4
Load rating vs Oregon average (32.3 t)
Top 10%
Higher load rating than 90% of Oregon bridges
130
Bridges in Harney · 3 in Poor condition
IRR C123 WEST LOOP 51.7 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
92.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.0
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1996
Material
Prestressed Concrete
Number of Spans
1
Structure Length
19.5 m (64 ft)
Deck Width
8.5 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
152 vehicles/day
Structure Number
18642 C12325A20

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether IRR C123 WEST LOOP 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 IRR C123 WEST LOOP against other structures in Harney 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 IRR C123 WEST LOOP?

IRR C123 WEST LOOP in Harney, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is IRR C123 WEST LOOP inspected?

IRR C123 WEST LOOP'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 152 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR C123 WEST LOOP 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 IRR C123 WEST LOOP?

IRR C123 WEST LOOP has an NBI inventory load rating of 51.7 metric tons.

Who is responsible for maintaining IRR C123 WEST LOOP?

IRR C123 WEST LOOP is owned and maintained by County Highway Agency.

How old is IRR C123 WEST LOOP and does age affect safety?

IRR C123 WEST LOOP was built in 1996, making it 30 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.