OR 86 (HWY 012)
Carrying OR 86 (HWY 012) over SNAKE RIVER (OXBOW)
ORE-IDAHO STATE LINE, Adams, Idaho
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
OR 86 (HWY 012) in Adams, Idaho is rated Poor in the FHWA's 2024 National Bridge Inventory.
Built in 1961, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure ID:000000000026394
INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- LONG-SPAN-RUN 9 spans
- SUB-LED Substructure-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: OR 86 (HWY 012)
The OR 86 (HWY 012) bridge in Adams, Idaho carries OR 86 (HWY 012) over SNAKE RIVER (OXBOW). It was built in 1961, making it 65 years old today. It was last reconstructed in 2001, extending its service life. The structure is built primarily of steel and spans 9 sections, stretching 146.8 meters (482 feet) end to end. Daily traffic averages 98 vehicles, placing it in the lower-traffic tier of Idaho 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 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How OR 86 (HWY 012) compares
Age against the county: built in 1961, earlier than 61 of Adams's 87 bridges with a recorded construction year (70%), against a county median build year of 1973. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Idaho bridges with a recorded inventory load rating (4,574 of 4,616 rated).
OR 86 (HWY 012) vs every rated Idaho bridge
Inventory load rating (metric tons), FHWA NBI, this state
39 Top 27% higher than 73% of 4,574 bridges
rated Idaho bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Adams inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 87 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1961
- Last Reconstructed
- 2001
- Material
- Steel
- Number of Spans
- 9
- Structure Length
- 146.8 m (482 ft)
- Deck Width
- 9.5 m (31 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 98 vehicles/day
- Structure Number
- 000000000026394
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 fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
OR 86 (HWY 012) is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare OR 86 (HWY 012) against other structures in Adams and across Idaho. Idaho 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 OR 86 (HWY 012)?
OR 86 (HWY 012) in Adams, Idaho has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is OR 86 (HWY 012) inspected?
OR 86 (HWY 012)'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 98 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. OR 86 (HWY 012) is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for OR 86 (HWY 012)?
OR 86 (HWY 012) has an NBI inventory load rating of 38.9 metric tons.
Who is responsible for maintaining OR 86 (HWY 012)?
OR 86 (HWY 012) is owned and maintained by State Highway Agency.
How old is OR 86 (HWY 012) and does age affect safety?
OR 86 (HWY 012) was built in 1961, making it 65 years old and last reconstructed in 2001.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.