FHWA NBI 2024 Inspection record Public-domain dataset

PARKVILLE RD

Carrying PARKVILLE RD over ASH CREEK

3.4 MI S DERSCH RD, Shasta, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
18 t Inventory load rating

Bridge Snapshot: PARKVILLE RD

The PARKVILLE RD bridge in Shasta, California carries PARKVILLE RD over ASH CREEK. It was built in 1958, making it 68 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 14.9 meters (49 feet) end to end. Daily traffic averages 130 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 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 17.8 metric tons.

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

How PARKVILLE RD compares

▼ 13.5
Load rating vs California average (31.3 t)
Bottom 10%
Lower load rating than 90% of California bridges
500
Bridges in Shasta · 10 in Poor condition
PARKVILLE RD 17.8 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
45.5 / 100 - historical 20–49.9 band
Structural adequacy /55
11.8
Serviceability /30
19.0
Essentiality /15
14.6
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
17.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1958
Material
Wood or Timber
Number of Spans
2
Structure Length
14.9 m (49 ft)
Deck Width
5.5 m (18 ft)
Owner
County Highway Agency
Avg Daily Traffic
130 vehicles/day
Structure Number
06C0220

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.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

PARKVILLE RD 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 PARKVILLE RD against other structures in Shasta 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 PARKVILLE RD?

PARKVILLE RD in Shasta, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is PARKVILLE RD inspected?

PARKVILLE RD'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 130 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PARKVILLE RD 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 PARKVILLE RD?

PARKVILLE RD has an NBI inventory load rating of 17.8 metric tons.

Who is responsible for maintaining PARKVILLE RD?

PARKVILLE RD is owned and maintained by County Highway Agency.

How old is PARKVILLE RD and does age affect safety?

PARKVILLE RD was built in 1958, making it 68 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.