FHWA NBI 2024 Inspection record Public-domain dataset

BROWNS RANCH ROAD

Carrying BROWNS RANCH ROAD over EAST WEAVER CREEK

0.2 MI E OF S.R. 3, Trinity, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: BROWNS RANCH ROAD

The BROWNS RANCH ROAD bridge in Trinity, California carries BROWNS RANCH ROAD over EAST WEAVER CREEK. It was built in 1955, making it 71 years old today. It was last reconstructed in 1997, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 18.9 meters (62 feet) end to end. Daily traffic averages 439 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.7 metric tons.

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

How BROWNS RANCH ROAD compares

▲ 1.4
Load rating vs California average (31.3 t)
Top 25%
Higher load rating than 75% of California bridges
194
Bridges in Trinity · 8 in Poor condition
BROWNS RANCH ROAD 32.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
83.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.8
Essentiality /15
10.6
Special reductions
−7.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1955
Last Reconstructed
1997
Material
Steel
Number of Spans
1
Structure Length
18.9 m (62 ft)
Deck Width
8.6 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
439 vehicles/day
Structure Number
05C0218

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • 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 BROWNS RANCH 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 BROWNS RANCH ROAD 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 BROWNS RANCH ROAD?

BROWNS RANCH ROAD in Trinity, 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 BROWNS RANCH ROAD inspected?

BROWNS RANCH 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 439 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BROWNS RANCH 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 BROWNS RANCH ROAD?

BROWNS RANCH ROAD has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining BROWNS RANCH ROAD?

BROWNS RANCH ROAD is owned and maintained by County Highway Agency.

How old is BROWNS RANCH ROAD and does age affect safety?

BROWNS RANCH ROAD was built in 1955, making it 71 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.