FHWA NBI 2024 Inspection record Public-domain dataset

W58-S99 CONNECTOR

Carrying W58-S99 CONNECTOR over SR 99 & WIBLE ROAD

06-KER-058-T52.33, Kern, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: W58-S99 CONNECTOR

The W58-S99 CONNECTOR bridge in Kern, California carries W58-S99 CONNECTOR over SR 99 & WIBLE ROAD. It was built in 1976, making it 50 years old today. The structure is built primarily of prestressed concrete continuous. Daily traffic averages 145,000 vehicles, placing it in the heavily-trafficked tier of California bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated 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 W58-S99 CONNECTOR compares

686
Bridges in Kern · 31 in Poor condition

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
78.9 / 100 - historical 50–79.9 band
Structural adequacy /55
43.9
Serviceability /30
29.0
Essentiality /15
8.1
Special reductions
−2.0

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 How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

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

Structural Details

Year Built
1976
Material
Prestressed Concrete Continuous
Avg Daily Traffic
145,000 vehicles/day
Structure Number
50 0426F

How to read this record

This page shows what the last federal inspection recorded, not whether W58-S99 CONNECTOR 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 W58-S99 CONNECTOR 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 W58-S99 CONNECTOR?

W58-S99 CONNECTOR in Kern, California on the FHWA's 0–9 scale.

How often is W58-S99 CONNECTOR inspected?

W58-S99 CONNECTOR'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 145,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. W58-S99 CONNECTOR is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for W58-S99 CONNECTOR?

An inventory load rating is not recorded for W58-S99 CONNECTOR.

Who is responsible for maintaining W58-S99 CONNECTOR?

Ownership is not specified for W58-S99 CONNECTOR in the NBI.

How old is W58-S99 CONNECTOR and does age affect safety?

W58-S99 CONNECTOR was built in 1976, making it 50 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.