FHWA NBI 2024 Inspection record Public-domain dataset

PILARCITOS CREEK R

Carrying PILARCITOS CREEK R over PILARCITOS CREEK

0.46 MI N OF S.H. 92, San Mateo, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: PILARCITOS CREEK R

The PILARCITOS CREEK R bridge in San Mateo, California carries PILARCITOS CREEK R over PILARCITOS CREEK. It was built in 1910, making it 116 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 42 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 superstructure at 3/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 16.2 metric tons.

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

How PILARCITOS CREEK R compares

▼ 15.1
Load rating vs California average (31.3 t)
Bottom 5%
Lower load rating than 95% of California bridges
393
Bridges in San Mateo · 21 in Poor condition
PILARCITOS CREEK R 16.2 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
39.7 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
26.0
Essentiality /15
13.7
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1910
Material
Concrete
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
8.2 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
42 vehicles/day
Structure Number
35C0111

Condition Analysis

  • At 3/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

PILARCITOS CREEK R 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 PILARCITOS CREEK R 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 PILARCITOS CREEK R?

PILARCITOS CREEK R in San Mateo, California, superstructure rating of 3/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is PILARCITOS CREEK R inspected?

PILARCITOS CREEK R'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 42 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PILARCITOS CREEK R 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 PILARCITOS CREEK R?

PILARCITOS CREEK R has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining PILARCITOS CREEK R?

PILARCITOS CREEK R is owned and maintained by County Highway Agency.

How old is PILARCITOS CREEK R and does age affect safety?

PILARCITOS CREEK R was built in 1910, making it 116 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.