FHWA NBI 2024 Inspection record Public-domain dataset

COLUMBIA WAY

Carrying COLUMBIA WAY over WOODS CREEK

0.3 MI N OF SR 49, Tuolumne, California

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
19 t Inventory load rating Lower than 90% of rated California bridges

COLUMBIA WAY in Tuolumne, California sits above 10% of rated California bridges on inventory load rating (19 t), while its 1912 build year is earlier than 97% of Tuolumne's recorded-year cohort (125 bridges).

COLUMBIA WAY in Tuolumne, California is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1912, 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 CA:32C0039

PRE-1950 · CONCRETE · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · LIGHT-LOAD · CAT-GOOD

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light 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: COLUMBIA WAY

The COLUMBIA WAY bridge in Tuolumne, California carries COLUMBIA WAY over WOODS CREEK. It was built in 1912, making it 114 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 375 vehicles, placing it in the lower-traffic tier of California 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 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How COLUMBIA WAY compares

▼ 12.7
Load rating vs California average (32.1 t; 25,538 of 25,848 rated)
125
Bridges in Tuolumne · 9 in Poor condition

Age against the county: built in 1912, earlier than 121 of Tuolumne's 125 bridges with a recorded construction year (97%), 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.

COLUMBIA WAY 19.4 t
California average (25,538 of 25,848 rated) 32.1 t

Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).

COLUMBIA WAY vs every rated California bridge

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

19 Top 90% higher than 10% of 25,538 bridges

rated California 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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
19.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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.

Tuolumne inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 125 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
1912
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
6.5 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
375 vehicles/day
Structure Number
32C0039

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 good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether COLUMBIA WAY 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 COLUMBIA WAY against other structures in Tuolumne and across California. California 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 COLUMBIA WAY?

COLUMBIA WAY in Tuolumne, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is COLUMBIA WAY inspected?

COLUMBIA WAY'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 375 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COLUMBIA WAY 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 COLUMBIA WAY?

COLUMBIA WAY has an NBI inventory load rating of 19.4 metric tons.

Who is responsible for maintaining COLUMBIA WAY?

COLUMBIA WAY is owned and maintained by County Highway Agency.

How old is COLUMBIA WAY and does age affect safety?

COLUMBIA WAY was built in 1912, making it 114 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.