FHWA NBI 2024 Inspection record Public-domain dataset

HWY 255

Carrying HWY 255 over MYERS CREEK

10.7 MI S ROGUE RIVER, Curry, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: HWY 255

The HWY 255 bridge in Curry, Oregon carries HWY 255 over MYERS CREEK. It was built in 1924, making it 102 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 38.4 meters (126 feet) end to end. Daily traffic averages 141 vehicles, placing it in the lower-traffic 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 29.9 metric tons.

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

How HWY 255 compares

▼ 2.4
Load rating vs Oregon average (32.3 t)
Bottom 49%
Lower load rating than 51% of Oregon bridges
101
Bridges in Curry · 4 in Poor condition
HWY 255 29.9 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
76.7 / 100 - historical 50–79.9 band
Structural adequacy /55
53.7
Serviceability /30
11.0
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1924
Material
Concrete Continuous
Number of Spans
3
Structure Length
38.4 m (126 ft)
Deck Width
6.9 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
141 vehicles/day
Structure Number
00995 009F33833

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) 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 HWY 255 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 HWY 255 against other structures in Curry 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 HWY 255?

HWY 255 in Curry, 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 HWY 255 inspected?

HWY 255'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 141 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 255 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 HWY 255?

HWY 255 has an NBI inventory load rating of 29.9 metric tons.

Who is responsible for maintaining HWY 255?

HWY 255 is owned and maintained by State Highway Agency.

How old is HWY 255 and does age affect safety?

HWY 255 was built in 1924, making it 102 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.