FHWA NBI 2024 Inspection record Public-domain dataset

US 26 (HWY 047)

Carrying US 26 (HWY 047) over North Fork Wolf Creek

18.5 MI W HWY 37 JCT, Columbia, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
13 t Inventory load rating

Bridge Snapshot: US 26 (HWY 047)

The US 26 (HWY 047) bridge in Columbia, Oregon carries US 26 (HWY 047) over North Fork Wolf Creek. It was built in 1938, making it 88 years old today. It was last reconstructed in 1975, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 27.5 meters (90 feet) end to end. Daily traffic averages 8,197 vehicles, placing it in the moderately-trafficked 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. All reported major components score above the Poor range. Its NBI inventory load rating is 13.0 metric tons.

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

How US 26 (HWY 047) compares

▼ 19.3
Load rating vs Oregon average (32.3 t)
Bottom 5%
Lower load rating than 95% of Oregon bridges
126
Bridges in Columbia · 10 in Poor condition
US 26 (HWY 047) 13.0 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
52.1 / 100 - historical 50–79.9 band
Structural adequacy /55
27.2
Serviceability /30
26.0
Essentiality /15
0.0
Special reductions
−1.1

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 How the historical reference is calculated.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
13.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1938
Last Reconstructed
1975
Material
Prestressed Concrete
Number of Spans
3
Structure Length
27.5 m (90 ft)
Deck Width
19.4 m (64 ft)
Owner
State Highway Agency
Avg Daily Traffic
8,197 vehicles/day
Structure Number
02027A047 03493

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 US 26 (HWY 047) 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 US 26 (HWY 047) against other structures in Columbia 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 US 26 (HWY 047)?

US 26 (HWY 047) in Columbia, 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 US 26 (HWY 047) inspected?

US 26 (HWY 047)'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 8,197 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 26 (HWY 047) 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 US 26 (HWY 047)?

US 26 (HWY 047) has an NBI inventory load rating of 13.0 metric tons.

Who is responsible for maintaining US 26 (HWY 047)?

US 26 (HWY 047) is owned and maintained by State Highway Agency.

How old is US 26 (HWY 047) and does age affect safety?

US 26 (HWY 047) was built in 1938, making it 88 years old and last reconstructed in 1975.

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.