FHWA NBI 2024 Inspection record Public-domain dataset

SAN ANDREAS RD

Carrying SAN ANDREAS RD over WATSONVILLE SLOUGH

0.4 MI NW BEACH RD, Santa Cruz, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
20 t Inventory load rating

Bridge Snapshot: SAN ANDREAS RD

The SAN ANDREAS RD bridge in Santa Cruz, California carries SAN ANDREAS RD over WATSONVILLE SLOUGH. It was built in 1941, making it 85 years old today. The structure is built primarily of concrete continuous and spans 5 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 6,000 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 7/9. 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 20.4 metric tons.

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

How SAN ANDREAS RD compares

▼ 10.9
Load rating vs California average (31.3 t)
Bottom 13%
Lower load rating than 87% of California bridges
203
Bridges in Santa Cruz · 32 in Poor condition
SAN ANDREAS RD 20.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
22.6 / 100 - historical 20–49.9 band
Structural adequacy /55
16.5
Serviceability /30
6.0
Essentiality /15
0.1
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
7/9
Good (7–9)
Inventory Load Rating
20.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1941
Material
Concrete Continuous
Number of Spans
5
Structure Length
27.4 m (90 ft)
Deck Width
10.4 m (34 ft)
Owner
County Highway Agency
Avg Daily Traffic
6,000 vehicles/day
Structure Number
36C0027

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

SAN ANDREAS RD 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 SAN ANDREAS RD against other structures in Santa Cruz 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 SAN ANDREAS RD?

SAN ANDREAS RD in Santa Cruz, California has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SAN ANDREAS RD inspected?

SAN ANDREAS 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 6,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SAN ANDREAS RD 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 SAN ANDREAS RD?

SAN ANDREAS RD has an NBI inventory load rating of 20.4 metric tons.

Who is responsible for maintaining SAN ANDREAS RD?

SAN ANDREAS RD is owned and maintained by County Highway Agency.

How old is SAN ANDREAS RD and does age affect safety?

SAN ANDREAS RD was built in 1941, making it 85 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.