FHWA NBI 2024 Inspection record Public-domain dataset

GARDNER FIELD ROAD

Carrying GARDNER FIELD ROAD over SANDY CREEK

0.9 MI E DUVALL ST, Kern, California

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
44 t Inventory load rating Higher than 91% of rated California bridges

GARDNER FIELD ROAD in Kern, California sits above 91% of rated California bridges on inventory load rating (44 t), while its 1973 build year is earlier than 36% of Kern's recorded-year cohort (668 bridges).

GARDNER FIELD ROAD in Kern, California is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1973, 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:50C0127

INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • LONG-SPAN-RUN 4 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy 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: GARDNER FIELD ROAD

The GARDNER FIELD ROAD bridge in Kern, California carries GARDNER FIELD ROAD over SANDY CREEK. It was built in 1973, making it 53 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 30.5 meters (100 feet) end to end. Daily traffic averages 1,072 vehicles, placing it in the moderately-trafficked tier of California 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 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How GARDNER FIELD ROAD compares

▲ 12.3
Load rating vs California average (32.1 t; 25,538 of 25,848 rated)
668
Bridges in Kern · 44 in Poor condition

Age against the county: built in 1973, earlier than 240 of Kern's 668 bridges with a recorded construction year (36%), against a county median build year of 1969. This is one of the newer structures in its county.

GARDNER FIELD ROAD 44.4 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).

GARDNER FIELD ROAD vs every rated California bridge

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

44 Top 9% higher than 91% 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
44.4 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.

Kern inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 668 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
1973
Material
Concrete Continuous
Number of Spans
4
Structure Length
30.5 m (100 ft)
Deck Width
12.4 m (41 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,072 vehicles/day
Structure Number
50C0127

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 GARDNER FIELD ROAD 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 GARDNER FIELD ROAD against other structures in Kern 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 GARDNER FIELD ROAD?

GARDNER FIELD ROAD in Kern, 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 GARDNER FIELD ROAD inspected?

GARDNER FIELD ROAD'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 1,072 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GARDNER FIELD ROAD 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 GARDNER FIELD ROAD?

GARDNER FIELD ROAD has an NBI inventory load rating of 44.4 metric tons.

Who is responsible for maintaining GARDNER FIELD ROAD?

GARDNER FIELD ROAD is owned and maintained by City/Municipal Highway Agency.

How old is GARDNER FIELD ROAD and does age affect safety?

GARDNER FIELD ROAD was built in 1973, making it 53 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.