FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 3

Carrying STATE ROUTE 3 over SCOTT MOUNTAIN CREEK

02-TRI-003-T80.67, Trinity, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: STATE ROUTE 3

The STATE ROUTE 3 bridge in Trinity, California carries STATE ROUTE 3 over SCOTT MOUNTAIN CREEK. It was built in 1982, making it 44 years old today. The structure is built primarily of steel and spans 1 section, stretching 10.0 meters (33 feet) end to end. Daily traffic averages 190 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 superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.4 metric tons.

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

How STATE ROUTE 3 compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
194
Bridges in Trinity · 8 in Poor condition
STATE ROUTE 3 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
82.0 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
13.0
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 How the historical reference is calculated.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

Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1982
Material
Steel
Number of Spans
1
Structure Length
10.0 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
190 vehicles/day
Structure Number
05 0068

Condition Analysis

  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • 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 3 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 3 against other structures in Trinity 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 3?

STATE ROUTE 3 in Trinity, California, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is STATE ROUTE 3 inspected?

STATE ROUTE 3'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 190 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 3 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 3?

STATE ROUTE 3 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining STATE ROUTE 3?

STATE ROUTE 3 is owned and maintained by State Highway Agency.

How old is STATE ROUTE 3 and does age affect safety?

STATE ROUTE 3 was built in 1982, making it 44 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.