FHWA NBI 2024 Inspection record Public-domain dataset

APPIAN WAY

Carrying APPIAN WAY over SAN PABLO CREEK

AT SAN PABLO DAM ROAD, Contra Costa, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
27 t Inventory load rating

Bridge Snapshot: APPIAN WAY

The APPIAN WAY bridge in Contra Costa, California carries APPIAN WAY over SAN PABLO CREEK. It was built in 1938, making it 88 years old today. It was last reconstructed in 1956, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 36.6 meters (120 feet) end to end. Daily traffic averages 11,492 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 27.2 metric tons.

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

How APPIAN WAY compares

▼ 4.1
Load rating vs California average (31.3 t)
Bottom 32%
Lower load rating than 68% of California bridges
686
Bridges in Contra Costa · 38 in Poor condition
APPIAN WAY 27.2 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
70.5 / 100 - historical 50–79.9 band
Structural adequacy /55
51.1
Serviceability /30
11.0
Essentiality /15
11.3
Special reductions
−3.0

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 How the historical reference is calculated.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
27.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1938
Last Reconstructed
1956
Material
Steel Continuous
Number of Spans
3
Structure Length
36.6 m (120 ft)
Deck Width
19.8 m (65 ft)
Owner
County Highway Agency
Avg Daily Traffic
11,492 vehicles/day
Structure Number
28C0329

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 APPIAN WAY 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 APPIAN WAY against other structures in Contra Costa 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 APPIAN WAY?

APPIAN WAY in Contra Costa, 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 APPIAN WAY inspected?

APPIAN WAY'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 11,492 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. APPIAN WAY 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 APPIAN WAY?

APPIAN WAY has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining APPIAN WAY?

APPIAN WAY is owned and maintained by County Highway Agency.

How old is APPIAN WAY and does age affect safety?

APPIAN WAY was built in 1938, making it 88 years old and last reconstructed in 1956.

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.