LARKIN RD
Carrying LARKIN RD over FEATHER RIVER OUTLET
1 MI E/O HAMILTON RD, Butte, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: LARKIN RD
The LARKIN RD bridge in Butte, California carries LARKIN RD over FEATHER RIVER OUTLET. It was built in 1966, making it 60 years old today. The structure is built primarily of steel and spans 1 section, stretching 28.7 meters (94 feet) end to end. Daily traffic averages 1,403 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by Other State Agencies.
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 40.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How LARKIN RD compares
Live comparison across California.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1966
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 28.7 m (94 ft)
- Deck Width
- 10.7 m (35 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 1,403 vehicles/day
- Structure Number
- 12C0229
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether LARKIN RD 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 LARKIN RD 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 LARKIN RD?
LARKIN RD in Butte, 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 LARKIN RD inspected?
LARKIN 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 1,403 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LARKIN RD 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 LARKIN RD?
LARKIN RD has an NBI inventory load rating of 40.2 metric tons.
Who is responsible for maintaining LARKIN RD?
LARKIN RD is owned and maintained by Other State Agencies.
How old is LARKIN RD and does age affect safety?
LARKIN RD was built in 1966, making it 60 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.
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.