FHWA NBI 2024 Inspection record Public-domain dataset

EL PRADO ROAD

Carrying EL PRADO ROAD over EASTON CREEK

JUST SE OF CANYON RD, San Mateo, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
21 t Inventory load rating

Bridge Snapshot: EL PRADO ROAD

The EL PRADO ROAD bridge in San Mateo, California carries EL PRADO ROAD over EASTON CREEK. It was built in 1956, making it 70 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 200 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 20.5 metric tons.

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

How EL PRADO ROAD compares

▼ 10.8
Load rating vs California average (31.3 t)
Bottom 14%
Lower load rating than 86% of California bridges
393
Bridges in San Mateo · 21 in Poor condition
EL PRADO ROAD 20.5 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
47.6 / 100 - historical 20–49.9 band
Structural adequacy /55
16.6
Serviceability /30
16.0
Essentiality /15
14.9
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 How the historical reference is calculated.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

Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
20.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1956
Material
Concrete
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
8.0 m (26 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
200 vehicles/day
Structure Number
35C0211

Condition Analysis

  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

EL PRADO ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare EL PRADO ROAD against other structures in San Mateo 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 EL PRADO ROAD?

EL PRADO ROAD in San Mateo, California, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is EL PRADO ROAD inspected?

EL PRADO 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 200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. EL PRADO ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for EL PRADO ROAD?

EL PRADO ROAD has an NBI inventory load rating of 20.5 metric tons.

Who is responsible for maintaining EL PRADO ROAD?

EL PRADO ROAD is owned and maintained by City/Municipal Highway Agency.

How old is EL PRADO ROAD and does age affect safety?

EL PRADO ROAD was built in 1956, making it 70 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.