FHWA NBI 2024 Inspection record Public-domain dataset

AVENUE 20

Carrying AVENUE 20 over UP RR

EAST OF STATE HWY 99, Madera, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
38 t Inventory load rating

Bridge Snapshot: AVENUE 20

The AVENUE 20 bridge in Madera, California carries AVENUE 20 over UP RR. It was built in 1980, making it 46 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 45.1 meters (148 feet) end to end. Daily traffic averages 250 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 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 37.9 metric tons.

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

How AVENUE 20 compares

▲ 6.6
Load rating vs California average (31.3 t)
Top 16%
Higher load rating than 84% of California bridges
250
Bridges in Madera · 28 in Poor condition
AVENUE 20 37.9 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
98.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
37.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1980
Material
Concrete Continuous
Number of Spans
3
Structure Length
45.1 m (148 ft)
Deck Width
14.5 m (48 ft)
Owner
County Highway Agency
Avg Daily Traffic
250 vehicles/day
Structure Number
41C0059

Condition Analysis

  • At 6/9, 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.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether AVENUE 20 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 AVENUE 20 against other structures in Madera 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 AVENUE 20?

AVENUE 20 in Madera, California has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is AVENUE 20 inspected?

AVENUE 20'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 250 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. AVENUE 20 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 AVENUE 20?

AVENUE 20 has an NBI inventory load rating of 37.9 metric tons.

Who is responsible for maintaining AVENUE 20?

AVENUE 20 is owned and maintained by County Highway Agency.

How old is AVENUE 20 and does age affect safety?

AVENUE 20 was built in 1980, making it 46 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.