FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 236

Carrying STATE ROUTE 236 over BOULDER CREEK

05-SCR-236-1.61, Santa Cruz, California

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
15 t Inventory load rating Lower than 97% of rated California bridges

STATE ROUTE 236 in Santa Cruz, California sits above 3% of rated California bridges on inventory load rating (15 t), while its 1921 build year is earlier than 96% of Santa Cruz's recorded-year cohort (192 bridges).

STATE ROUTE 236 in Santa Cruz, California is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1921, 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:36 0009

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

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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: STATE ROUTE 236

The STATE ROUTE 236 bridge in Santa Cruz, California carries STATE ROUTE 236 over BOULDER CREEK. It was built in 1921, making it 105 years old today. The structure is built primarily of concrete and spans 1 section, stretching 21.9 meters (72 feet) end to end. Daily traffic averages 4,350 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by State 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. All reported major components score above the Poor range.

How STATE ROUTE 236 compares

▼ 16.9
Load rating vs California average (32.1 t; 25,538 of 25,848 rated)
192
Bridges in Santa Cruz · 34 in Poor condition

Age against the county: built in 1921, earlier than 184 of Santa Cruz's 192 bridges with a recorded construction year (96%), against a county median build year of 1960. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

STATE ROUTE 236 15.2 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).

STATE ROUTE 236 vs every rated California bridge

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

15 Top 97% higher than 3% 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
15.2 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.

Santa Cruz inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 192 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
1921
Material
Concrete
Number of Spans
1
Structure Length
21.9 m (72 ft)
Deck Width
7.2 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,350 vehicles/day
Structure Number
36 0009

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.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether STATE ROUTE 236 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 STATE ROUTE 236 against other structures in Santa Cruz 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 STATE ROUTE 236?

STATE ROUTE 236 in Santa Cruz, 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 STATE ROUTE 236 inspected?

STATE ROUTE 236'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 4,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 236 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 STATE ROUTE 236?

STATE ROUTE 236 has an NBI inventory load rating of 15.2 metric tons.

Who is responsible for maintaining STATE ROUTE 236?

STATE ROUTE 236 is owned and maintained by State Highway Agency.

How old is STATE ROUTE 236 and does age affect safety?

STATE ROUTE 236 was built in 1921, making it 105 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.