FHWA NBI 2024 Inspection record Public-domain dataset

LUMPKIN ROAD

Carrying LUMPKIN ROAD over SOUTH FORK FEATHER RIVER

3 MI FORBESTOWN RD, Butte, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: LUMPKIN ROAD

The LUMPKIN ROAD bridge in Butte, California carries LUMPKIN ROAD over SOUTH FORK FEATHER RIVER. It was built in 1967, making it 59 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 358.1 meters (1175 feet) end to end. Daily traffic averages 855 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by Other State Agencies.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 31.1 metric tons.

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

How LUMPKIN ROAD compares

▼ 0.2
Load rating vs California average (31.3 t)
Bottom 39%
Lower load rating than 61% of California bridges
441
Bridges in Butte · 26 in Poor condition
LUMPKIN ROAD 31.1 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
73.3 / 100 - historical 50–79.9 band
Structural adequacy /55
54.5
Serviceability /30
19.9
Essentiality /15
5.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
31.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1967
Material
Steel Continuous
Number of Spans
3
Structure Length
358.1 m (1175 ft)
Deck Width
10.3 m (34 ft)
Owner
Other State Agencies
Avg Daily Traffic
855 vehicles/day
Structure Number
12C0199

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether LUMPKIN 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 LUMPKIN ROAD against other structures in Butte 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 LUMPKIN ROAD?

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

How often is LUMPKIN ROAD inspected?

LUMPKIN 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 855 vehicles per day.

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

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

LUMPKIN ROAD has an NBI inventory load rating of 31.1 metric tons.

Who is responsible for maintaining LUMPKIN ROAD?

LUMPKIN ROAD is owned and maintained by Other State Agencies.

How old is LUMPKIN ROAD and does age affect safety?

LUMPKIN ROAD was built in 1967, making it 59 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.