FHWA NBI 2024 Inspection record Public-domain dataset

PRESCOTT DRIVE

Carrying PRESCOTT DRIVE over JOHNSON GULCH

2.2 MI EAST OF MATTOLE RD, Humboldt, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
68 t Inventory load rating

Bridge Snapshot: PRESCOTT DRIVE

The PRESCOTT DRIVE bridge in Humboldt, California carries PRESCOTT DRIVE over JOHNSON GULCH. It was built in 1973, making it 53 years old today. It was last reconstructed in 1995, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 9 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 6/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 67.7 metric tons.

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

How PRESCOTT DRIVE compares

▲ 36.4
Load rating vs California average (31.3 t)
Top 1%
Higher load rating than 99% of California bridges
398
Bridges in Humboldt · 25 in Poor condition
PRESCOTT DRIVE 67.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
45.8 / 100 - historical 20–49.9 band
Structural adequacy /55
30.0
Serviceability /30
9.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
67.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1973
Last Reconstructed
1995
Material
Steel
Number of Spans
1
Structure Length
10.7 m (35 ft)
Deck Width
3.8 m (12 ft)
Owner
County Highway Agency
Avg Daily Traffic
9 vehicles/day
Structure Number
04C0184

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

PRESCOTT DRIVE is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare PRESCOTT DRIVE against other structures in Humboldt 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 PRESCOTT DRIVE?

PRESCOTT DRIVE in Humboldt, California has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is PRESCOTT DRIVE inspected?

PRESCOTT DRIVE'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 9 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PRESCOTT DRIVE is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for PRESCOTT DRIVE?

PRESCOTT DRIVE has an NBI inventory load rating of 67.7 metric tons.

Who is responsible for maintaining PRESCOTT DRIVE?

PRESCOTT DRIVE is owned and maintained by County Highway Agency.

How old is PRESCOTT DRIVE and does age affect safety?

PRESCOTT DRIVE was built in 1973, making it 53 years old and last reconstructed in 1995.

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.