FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 96

Carrying STATE ROUTE 96 over OAK FLAT CREEK

02-SIS-096-34.35, Siskiyou, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: STATE ROUTE 96

The STATE ROUTE 96 bridge in Siskiyou, California carries STATE ROUTE 96 over OAK FLAT CREEK. It was built in 1952, making it 74 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 22.6 meters (74 feet) end to end. Daily traffic averages 400 vehicles, placing it in the lower-traffic 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 5/9. 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 29.2 metric tons.

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

How STATE ROUTE 96 compares

▼ 2.1
Load rating vs California average (31.3 t)
Bottom 35%
Lower load rating than 65% of California bridges
423
Bridges in Siskiyou · 23 in Poor condition
STATE ROUTE 96 29.2 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
73.9 / 100 - historical 50–79.9 band
Structural adequacy /55
43.1
Serviceability /30
28.2
Essentiality /15
10.6
Special reductions
−8.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1952
Material
Concrete Continuous
Number of Spans
3
Structure Length
22.6 m (74 ft)
Deck Width
8.7 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
400 vehicles/day
Structure Number
02 0053

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • 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 (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether STATE ROUTE 96 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 96 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 STATE ROUTE 96?

STATE ROUTE 96 in Siskiyou, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is STATE ROUTE 96 inspected?

STATE ROUTE 96'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 400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 96 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 STATE ROUTE 96?

STATE ROUTE 96 has an NBI inventory load rating of 29.2 metric tons.

Who is responsible for maintaining STATE ROUTE 96?

STATE ROUTE 96 is owned and maintained by State Highway Agency.

How old is STATE ROUTE 96 and does age affect safety?

STATE ROUTE 96 was built in 1952, making it 74 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.