FHWA NBI 2024 Inspection record Public-domain dataset

21S06

Carrying 21S06 over 21S06/HOLBY CREEK

NO DATA ENTERED, Tulare, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair

Bridge Snapshot: 21S06

The 21S06 bridge in Tulare, California carries 21S06 over 21S06/HOLBY CREEK. It was built in 1956, making it 70 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by U.S. Forest Service.

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

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How 21S06 compares

599
Bridges in Tulare · 19 in Poor condition

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
84.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
15.0
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1956
Material
Wood or Timber
Number of Spans
1
Structure Length
12.5 m (41 ft)
Deck Width
4.9 m (16 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
5 vehicles/day
Structure Number
051352000001009

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether 21S06 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 21S06 against other structures in Tulare 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 21S06?

21S06 in Tulare, California has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 21S06 inspected?

21S06'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 5 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 21S06 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 21S06?

An inventory load rating is not recorded for 21S06.

Who is responsible for maintaining 21S06?

21S06 is owned and maintained by U.S. Forest Service.

How old is 21S06 and does age affect safety?

21S06 was built in 1956, making it 70 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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.