FHWA NBI 2024 Inspection record Public-domain dataset

W. A. BARR RD

Carrying W. A. BARR RD over SACRAMENTO RIVER

1.5 MI S OF W REAM AVE, Siskiyou, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
34 t Inventory load rating

Bridge Snapshot: W. A. BARR RD

The W. A. BARR RD bridge in Siskiyou, California carries W. A. BARR RD over SACRAMENTO RIVER. It was built in 1968, making it 58 years old today. It was last reconstructed in 1997, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 46.0 meters (151 feet) end to end. Daily traffic averages 864 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 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 34.0 metric tons.

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

How W. A. BARR RD compares

▲ 2.7
Load rating vs California average (31.3 t)
Top 22%
Higher load rating than 78% of California bridges
423
Bridges in Siskiyou · 23 in Poor condition
W. A. BARR RD 34.0 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
72.6 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
17.1
Essentiality /15
5.5
Special reductions
−5.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
34.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1968
Last Reconstructed
1997
Material
Prestressed Concrete
Number of Spans
3
Structure Length
46.0 m (151 ft)
Deck Width
11.0 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
864 vehicles/day
Structure Number
02C0252

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether W. A. BARR RD 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 W. A. BARR RD against other structures in Siskiyou 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 W. A. BARR RD?

W. A. BARR RD in Siskiyou, California has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is W. A. BARR RD inspected?

W. A. BARR RD'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 864 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. W. A. BARR RD 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 W. A. BARR RD?

W. A. BARR RD has an NBI inventory load rating of 34.0 metric tons.

Who is responsible for maintaining W. A. BARR RD?

W. A. BARR RD is owned and maintained by County Highway Agency.

How old is W. A. BARR RD and does age affect safety?

W. A. BARR RD was built in 1968, making it 58 years old and last reconstructed in 1997.

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.