FHWA NBI 2024 Inspection record Public-domain dataset

CONANT BASIN RD

Carrying CONANT BASIN RD over CROOKED RIVER

002 MI SOUTH HWY 380, Crook, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
34 t Inventory load rating

Bridge Snapshot: CONANT BASIN RD

The CONANT BASIN RD bridge in Crook, Oregon carries CONANT BASIN RD over CROOKED RIVER. It was built in 2002, making it 24 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 37.5 meters (123 feet) end to end. Daily traffic averages 151 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 a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 33.7 metric tons.

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

How CONANT BASIN RD compares

▲ 1.4
Load rating vs Oregon average (32.3 t)
Top 40%
Higher load rating than 60% of Oregon bridges
79
Bridges in Crook
CONANT BASIN RD 33.7 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
68.0 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
16.0
Essentiality /15
13.0
Special reductions
−6.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
33.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2002
Material
Prestressed Concrete
Number of Spans
1
Structure Length
37.5 m (123 ft)
Deck Width
8.0 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
151 vehicles/day
Structure Number
19913 310 00020

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) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether CONANT BASIN RD 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 CONANT BASIN RD 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 CONANT BASIN RD?

CONANT BASIN RD in Crook, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CONANT BASIN RD inspected?

CONANT BASIN RD'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 151 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CONANT BASIN RD 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 CONANT BASIN RD?

CONANT BASIN RD has an NBI inventory load rating of 33.7 metric tons.

Who is responsible for maintaining CONANT BASIN RD?

CONANT BASIN RD is owned and maintained by County Highway Agency.

How old is CONANT BASIN RD and does age affect safety?

CONANT BASIN RD was built in 2002, making it 24 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.