FHWA NBI 2024 Inspection record Public-domain dataset

SWIFT CREEK

Carrying SWIFT CREEK over CEMENT CREEK

NO DATA ENTERED, Trinity, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good

Bridge Snapshot: SWIFT CREEK

The SWIFT CREEK bridge in Trinity, California carries SWIFT CREEK over CEMENT CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of steel and spans 1 section, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show culvert 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.

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

How SWIFT CREEK compares

194
Bridges in Trinity · 8 in Poor condition

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Overall Condition
Good

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

Structural Details

Year Built
1972
Material
Steel
Number of Spans
1
Structure Length
9.1 m (30 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
051456000001025

How to read this record

This page shows what the last federal inspection recorded, not whether SWIFT CREEK 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 SWIFT CREEK 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 SWIFT CREEK?

SWIFT CREEK in Trinity, California on the FHWA's 0–9 scale.

How often is SWIFT CREEK inspected?

SWIFT CREEK'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SWIFT CREEK 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 SWIFT CREEK?

An inventory load rating is not recorded for SWIFT CREEK.

Who is responsible for maintaining SWIFT CREEK?

SWIFT CREEK is owned and maintained by U.S. Forest Service.

How old is SWIFT CREEK and does age affect safety?

SWIFT CREEK was built in 1972, making it 54 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.