FHWA NBI 2024 Inspection record Public-domain dataset

RIGGS ROAD

Carrying RIGGS ROAD over IRRIGATION DITCH

2.45 on Riggs Rd., Crook, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
20 t Inventory load rating

Bridge Snapshot: RIGGS ROAD

The RIGGS ROAD bridge in Crook, Oregon carries RIGGS ROAD over IRRIGATION DITCH. It was built in 2006, making it 20 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 594 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 culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 19.5 metric tons.

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

How RIGGS ROAD compares

▼ 12.8
Load rating vs Oregon average (32.3 t)
Bottom 19%
Lower load rating than 81% of Oregon bridges
79
Bridges in Crook
RIGGS ROAD 19.5 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
80.9 / 100 - historical 80–100 band
Structural adequacy /55
39.9
Serviceability /30
29.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
19.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2006
Material
Concrete
Number of Spans
1
Structure Length
6.7 m (22 ft)
Deck Width
9.8 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
594 vehicles/day
Structure Number
20325 211 00000

How to read this record

This page shows what the last federal inspection recorded, not whether RIGGS 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 RIGGS ROAD against other structures in Crook 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 RIGGS ROAD?

RIGGS ROAD in Crook, Oregon on the FHWA's 0–9 scale.

How often is RIGGS ROAD inspected?

RIGGS 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 594 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RIGGS ROAD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for RIGGS ROAD?

RIGGS ROAD has an NBI inventory load rating of 19.5 metric tons.

Who is responsible for maintaining RIGGS ROAD?

RIGGS ROAD is owned and maintained by County Highway Agency.

How old is RIGGS ROAD and does age affect safety?

RIGGS ROAD was built in 2006, making it 20 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.