FHWA NBI 2024 Inspection record Public-domain dataset

N LIVERMORE AVE

Carrying N LIVERMORE AVE over ARROYO LAS POSITAS

375 FT SOUTH OF I-580, Alameda, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
40 t Inventory load rating

Bridge Snapshot: N LIVERMORE AVE

The N LIVERMORE AVE bridge in Alameda, California carries N LIVERMORE AVE over ARROYO LAS POSITAS. It was built in 1972, making it 54 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 36.0 meters (118 feet) end to end. Daily traffic averages 25,000 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.

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 39.9 metric tons.

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

How N LIVERMORE AVE compares

▲ 8.6
Load rating vs California average (31.3 t)
Top 13%
Higher load rating than 87% of California bridges
800
Bridges in Alameda · 40 in Poor condition
N LIVERMORE AVE 39.9 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
83.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.0
Essentiality /15
4.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
39.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1972
Material
Prestressed Concrete
Number of Spans
1
Structure Length
36.0 m (118 ft)
Deck Width
31.7 m (104 ft)
Owner
County Highway Agency
Avg Daily Traffic
25,000 vehicles/day
Structure Number
33C0079

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether N LIVERMORE AVE 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 N LIVERMORE AVE against other structures in Alameda 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 N LIVERMORE AVE?

N LIVERMORE AVE in Alameda, 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 N LIVERMORE AVE inspected?

N LIVERMORE AVE'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 25,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N LIVERMORE AVE 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 N LIVERMORE AVE?

N LIVERMORE AVE has an NBI inventory load rating of 39.9 metric tons.

Who is responsible for maintaining N LIVERMORE AVE?

N LIVERMORE AVE is owned and maintained by County Highway Agency.

How old is N LIVERMORE AVE and does age affect safety?

N LIVERMORE AVE was built in 1972, making it 54 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.