OR 221 (HWY 150)
Carrying OR 221 (HWY 150) over Gibson Creek
00.70 SALEM N CITY LIMITS, Polk, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: OR 221 (HWY 150)
The OR 221 (HWY 150) bridge in Polk, Oregon carries OR 221 (HWY 150) over Gibson Creek. It was built in 2000, making it 26 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 26.2 meters (86 feet) end to end. Daily traffic averages 15,160 vehicles, placing it in the heavily-trafficked tier of Oregon bridges. It is owned and maintained by State 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. All reported major components score above the Poor range. Its NBI inventory load rating is 21.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How OR 221 (HWY 150) compares
Live comparison across Oregon.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2000
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 26.2 m (86 ft)
- Deck Width
- 28.2 m (93 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 15,160 vehicles/day
- Structure Number
- 18440 150 01841
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
This page shows what the last federal inspection recorded, not whether OR 221 (HWY 150) 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 OR 221 (HWY 150) against other structures in Polk 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 OR 221 (HWY 150)?
OR 221 (HWY 150) in Polk, 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 OR 221 (HWY 150) inspected?
OR 221 (HWY 150)'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 15,160 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. OR 221 (HWY 150) 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 OR 221 (HWY 150)?
OR 221 (HWY 150) has an NBI inventory load rating of 21.1 metric tons.
Who is responsible for maintaining OR 221 (HWY 150)?
OR 221 (HWY 150) is owned and maintained by State Highway Agency.
How old is OR 221 (HWY 150) and does age affect safety?
OR 221 (HWY 150) was built in 2000, making it 26 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.
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.