FHWA NBI 2024 Inspection record Public-domain dataset

MAIN ST

Carrying MAIN ST over VENTURA RIVER

0.5 MI W OF VENTURA AVE, Ventura, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
55 t Inventory load rating

Bridge Snapshot: MAIN ST

The MAIN ST bridge in Ventura, California carries MAIN ST over VENTURA RIVER. It was built in 1932, making it 94 years old today. It was last reconstructed in 1979, extending its service life. The structure is built primarily of concrete and spans 21 sections, stretching 375.8 meters (1233 feet) end to end. Daily traffic averages 6,853 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 2/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 54.8 metric tons.

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

How MAIN ST compares

▲ 23.5
Load rating vs California average (31.3 t)
Top 4%
Higher load rating than 96% of California bridges
511
Bridges in Ventura · 18 in Poor condition
MAIN ST 54.8 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
31.1 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
19.0
Essentiality /15
12.1
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
2/9
Poor (1–4)
Inventory Load Rating
54.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1932
Last Reconstructed
1979
Material
Concrete
Number of Spans
21
Structure Length
375.8 m (1233 ft)
Deck Width
16.9 m (55 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
6,853 vehicles/day
Structure Number
52C0061

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates critical at 2/9, severe deterioration that needs urgent attention.

How to read this record

MAIN ST 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 MAIN ST against other structures in Ventura 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 MAIN ST?

MAIN ST in Ventura, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is MAIN ST inspected?

MAIN ST'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 6,853 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MAIN ST 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 MAIN ST?

MAIN ST has an NBI inventory load rating of 54.8 metric tons.

Who is responsible for maintaining MAIN ST?

MAIN ST is owned and maintained by City/Municipal Highway Agency.

How old is MAIN ST and does age affect safety?

MAIN ST was built in 1932, making it 94 years old and last reconstructed in 1979.

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.