FHWA NBI 2024 Inspection record Public-domain dataset

BRIONES VALLEY RD

Carrying BRIONES VALLEY RD over BRIONES VALLEY CREEK

2.9 MI W DEER VALLEY RD, Contra Costa, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: BRIONES VALLEY RD

The BRIONES VALLEY RD bridge in Contra Costa, California carries BRIONES VALLEY RD over BRIONES VALLEY CREEK. It was built in 2001, making it 25 years old today. The structure is built primarily of steel and spans 1 section, stretching 13.5 meters (44 feet) end to end. Daily traffic averages 50 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 4/9, superstructure at 5/9, substructure at 5/9. 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 22.0 metric tons.

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

How BRIONES VALLEY RD compares

▼ 9.3
Load rating vs California average (31.3 t)
Bottom 16%
Lower load rating than 84% of California bridges
686
Bridges in Contra Costa · 38 in Poor condition
BRIONES VALLEY RD 22.0 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
45.2 / 100 - historical 20–49.9 band
Structural adequacy /55
34.1
Serviceability /30
10.0
Essentiality /15
14.1
Special reductions
−13.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
2001
Material
Steel
Number of Spans
1
Structure Length
13.5 m (44 ft)
Deck Width
4.2 m (14 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
28C0495

Condition Analysis

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

How to read this record

BRIONES VALLEY 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 BRIONES VALLEY RD 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 BRIONES VALLEY RD?

BRIONES VALLEY RD in Contra Costa, California has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is BRIONES VALLEY RD inspected?

BRIONES VALLEY 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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BRIONES VALLEY 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 BRIONES VALLEY RD?

BRIONES VALLEY RD has an NBI inventory load rating of 22.0 metric tons.

Who is responsible for maintaining BRIONES VALLEY RD?

BRIONES VALLEY RD is owned and maintained by County Highway Agency.

How old is BRIONES VALLEY RD and does age affect safety?

BRIONES VALLEY RD was built in 2001, making it 25 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.