FHWA NBI 2024 Inspection record Public-domain dataset

HARRIET LANE

Carrying HARRIET LANE over MID FK FEATHER RIV OVRFL

1.1 MI S DYSON LN, Plumas, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: HARRIET LANE

The HARRIET LANE bridge in Plumas, California carries HARRIET LANE over MID FK FEATHER RIV OVRFL. It was built in 1963, making it 63 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 125 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 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 25.3 metric tons.

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

How HARRIET LANE compares

▼ 6.0
Load rating vs California average (31.3 t)
Bottom 28%
Lower load rating than 72% of California bridges
170
Bridges in Plumas · 7 in Poor condition
HARRIET LANE 25.3 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
66.8 / 100 - historical 50–79.9 band
Structural adequacy /55
38.8
Serviceability /30
16.3
Essentiality /15
14.8
Special reductions
−3.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
25.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1963
Material
Concrete
Number of Spans
2
Structure Length
12.5 m (41 ft)
Deck Width
5.0 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
125 vehicles/day
Structure Number
09C0086

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • 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) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether HARRIET LANE 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 HARRIET LANE against other structures in Plumas 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 HARRIET LANE?

HARRIET LANE in Plumas, California has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is HARRIET LANE inspected?

HARRIET LANE'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 125 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HARRIET LANE 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 HARRIET LANE?

HARRIET LANE has an NBI inventory load rating of 25.3 metric tons.

Who is responsible for maintaining HARRIET LANE?

HARRIET LANE is owned and maintained by County Highway Agency.

How old is HARRIET LANE and does age affect safety?

HARRIET LANE was built in 1963, making it 63 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.