MOUNTAIN RIVER RD
Carrying MOUNTAIN RIVER RD over LEBANON SANTIAM CANAL
0.6 MI E OF US20, Linn, Oregon
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
MOUNTAIN RIVER RD in Linn, Oregon sits above 73% of rated Oregon bridges on inventory load rating (39 t), while its 2001 build year is earlier than 11% of Linn's recorded-year cohort (566 bridges).
MOUNTAIN RIVER RD in Linn, Oregon is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2001, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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 OR:19583 000 00000
POST-2000 · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
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: MOUNTAIN RIVER RD
The MOUNTAIN RIVER RD bridge in Linn, Oregon carries MOUNTAIN RIVER RD over LEBANON SANTIAM CANAL. It was built in 2001, making it 25 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.9 meters (49 feet) end to end. Daily traffic averages 309 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How MOUNTAIN RIVER RD compares
Age against the county: built in 2001, earlier than 61 of Linn's 566 bridges with a recorded construction year (11%), against a county median build year of 1967. This is one of the newer structures in its county.
Live comparison across Oregon bridges with a recorded inventory load rating (8,282 of 8,305 rated).
MOUNTAIN RIVER RD vs every rated Oregon bridge
Inventory load rating (metric tons), FHWA NBI, this state
39 Top 27% higher than 73% of 8,282 bridges
rated Oregon 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.
Linn inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 566 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
- 2001
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 14.9 m (49 ft)
- Deck Width
- 13.4 m (44 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 309 vehicles/day
- Structure Number
- 19583 000 00000
Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether MOUNTAIN RIVER 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 MOUNTAIN RIVER RD against other structures in Linn 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 MOUNTAIN RIVER RD?
MOUNTAIN RIVER RD in Linn, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is MOUNTAIN RIVER RD inspected?
MOUNTAIN RIVER 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 309 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MOUNTAIN RIVER RD 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 MOUNTAIN RIVER RD?
MOUNTAIN RIVER RD has an NBI inventory load rating of 39.0 metric tons.
Who is responsible for maintaining MOUNTAIN RIVER RD?
MOUNTAIN RIVER RD is owned and maintained by City/Municipal Highway Agency.
How old is MOUNTAIN RIVER RD and does age affect safety?
MOUNTAIN RIVER RD was built in 2001, making it 25 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.
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.