FHWA NBI 2024 Inspection record Public-domain dataset

MADISON ST

Carrying MADISON ST over GRAND AV TO WATER AV WB

WILAMETTE RV MP13.2, Multnomah, Oregon

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
20 t Inventory load rating Lower than 77% of rated Oregon bridges

MADISON ST in Multnomah, Oregon sits above 23% of rated Oregon bridges on inventory load rating (20 t), while its 1957 build year is earlier than 74% of Multnomah's recorded-year cohort (473 bridges).

MADISON ST in Multnomah, Oregon is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1957, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:02757B000000000

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 20 spans
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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: MADISON ST

The MADISON ST bridge in Multnomah, Oregon carries MADISON ST over GRAND AV TO WATER AV WB. It was built in 1957, making it 69 years old today. The structure is built primarily of steel and spans 20 sections, stretching 396.2 meters (1300 feet) end to end. Daily traffic averages 16,730 vehicles, placing it in the heavily-trafficked tier of Oregon bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How MADISON ST compares

▼ 11.4
Load rating vs Oregon average (31.8 t; 8,282 of 8,305 rated)
473
Bridges in Multnomah · 14 in Poor condition

Age against the county: built in 1957, earlier than 348 of Multnomah's 473 bridges with a recorded construction year (74%), against a county median build year of 1968. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

MADISON ST 20.4 t
Oregon average (8,282 of 8,305 rated) 31.8 t

Live comparison across Oregon bridges with a recorded inventory load rating (8,282 of 8,305 rated).

MADISON ST vs every rated Oregon bridge

Inventory load rating (metric tons), FHWA NBI, this state

20 Top 77% higher than 23% 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

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
20.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Multnomah inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 473 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
1957
Material
Steel
Number of Spans
20
Structure Length
396.2 m (1300 ft)
Deck Width
14.2 m (47 ft)
Owner
County Highway Agency
Avg Daily Traffic
16,730 vehicles/day
Structure Number
02757B000000000

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether MADISON ST 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 MADISON ST against other structures in Multnomah 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 MADISON ST?

MADISON ST in Multnomah, Oregon has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is MADISON ST inspected?

MADISON ST'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 16,730 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MADISON ST 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 MADISON ST?

MADISON ST has an NBI inventory load rating of 20.4 metric tons.

Who is responsible for maintaining MADISON ST?

MADISON ST is owned and maintained by County Highway Agency.

How old is MADISON ST and does age affect safety?

MADISON ST was built in 1957, making it 69 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.