FHWA NBI 2024 Inspection record Public-domain dataset

OLD DUFUR SOUTH

Carrying OLD DUFUR SOUTH over EIGHTMILE CREEK

0.2 MI W OF 8 MI RD, Wasco, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
7 t Inventory load rating

Bridge Snapshot: OLD DUFUR SOUTH

The OLD DUFUR SOUTH bridge in Wasco, Oregon carries OLD DUFUR SOUTH over EIGHTMILE CREEK. It was built in 1914, making it 112 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 26 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 5/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 6.8 metric tons.

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

How OLD DUFUR SOUTH compares

▼ 25.5
Load rating vs Oregon average (32.3 t)
Bottom 1%
Lower load rating than 99% of Oregon bridges
148
Bridges in Wasco · 12 in Poor condition
OLD DUFUR SOUTH 6.8 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
40.8 / 100 - historical 20–49.9 band
Structural adequacy /55
2.9
Serviceability /30
23.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
6.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1914
Material
Concrete
Number of Spans
1
Structure Length
9.4 m (31 ft)
Deck Width
6.3 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
26 vehicles/day
Structure Number
65C34 142 00661

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether OLD DUFUR SOUTH 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 OLD DUFUR SOUTH 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 OLD DUFUR SOUTH?

OLD DUFUR SOUTH in Wasco, Oregon has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is OLD DUFUR SOUTH inspected?

OLD DUFUR SOUTH'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 26 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD DUFUR SOUTH 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 OLD DUFUR SOUTH?

OLD DUFUR SOUTH has an NBI inventory load rating of 6.8 metric tons.

Who is responsible for maintaining OLD DUFUR SOUTH?

OLD DUFUR SOUTH is owned and maintained by County Highway Agency.

How old is OLD DUFUR SOUTH and does age affect safety?

OLD DUFUR SOUTH was built in 1914, making it 112 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.