OVERSTREET B486
Carrying OVERSTREET B486 over OWYHEE CANAL
002 E INTER OWYHEELAKE RD, Malheur, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: OVERSTREET B486
The OVERSTREET B486 bridge in Malheur, Oregon carries OVERSTREET B486 over OWYHEE CANAL. It was built in 1974, making it 52 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 478 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 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 21.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How OVERSTREET B486 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 How the historical reference is calculated.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
- 1974
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 8.8 m (29 ft)
- Deck Width
- 9.8 m (32 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 478 vehicles/day
- Structure Number
- 45C202083900025
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • 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 OVERSTREET B486 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 OVERSTREET B486 against other structures in Malheur 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 OVERSTREET B486?
OVERSTREET B486 in Malheur, 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 OVERSTREET B486 inspected?
OVERSTREET B486'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 478 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. OVERSTREET B486 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 OVERSTREET B486?
OVERSTREET B486 has an NBI inventory load rating of 21.9 metric tons.
Who is responsible for maintaining OVERSTREET B486?
OVERSTREET B486 is owned and maintained by County Highway Agency.
How old is OVERSTREET B486 and does age affect safety?
OVERSTREET B486 was built in 1974, making it 52 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.