FHWA NBI 2024 Inspection record Public-domain dataset

RIDDELL ROAD

Carrying RIDDELL ROAD over NORTH FORK ASH CREEK

015 N OF MONMOUTH, Polk, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: RIDDELL ROAD

The RIDDELL ROAD bridge in Polk, Oregon carries RIDDELL ROAD over NORTH FORK ASH CREEK. It was built in 1922, making it 104 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 3,329 vehicles, placing it in the moderately-trafficked 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 17.8 metric tons.

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

How RIDDELL ROAD compares

▼ 14.5
Load rating vs Oregon average (32.3 t)
Bottom 13%
Lower load rating than 87% of Oregon bridges
161
Bridges in Polk · 11 in Poor condition
RIDDELL ROAD 17.8 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
49.5 / 100 - historical 20–49.9 band
Structural adequacy /55
26.8
Serviceability /30
8.0
Essentiality /15
14.6
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 How the historical reference is calculated.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
17.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1922
Material
Concrete Continuous
Number of Spans
2
Structure Length
11.3 m (37 ft)
Deck Width
10.2 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
3,329 vehicles/day
Structure Number
53C107859900222

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 RIDDELL ROAD 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 RIDDELL ROAD 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 RIDDELL ROAD?

RIDDELL ROAD in Polk, 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 RIDDELL ROAD inspected?

RIDDELL ROAD'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 3,329 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RIDDELL ROAD 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 RIDDELL ROAD?

RIDDELL ROAD has an NBI inventory load rating of 17.8 metric tons.

Who is responsible for maintaining RIDDELL ROAD?

RIDDELL ROAD is owned and maintained by County Highway Agency.

How old is RIDDELL ROAD and does age affect safety?

RIDDELL ROAD was built in 1922, making it 104 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.