FHWA NBI 2024 Inspection record Public-domain dataset

CHAPMAN AVENUE

Carrying CHAPMAN AVENUE over SANTA ANA RIVER CHANNEL

0.1 MI. W/O ROUTE 57 FWY, Orange, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
35 t Inventory load rating

Bridge Snapshot: CHAPMAN AVENUE

The CHAPMAN AVENUE bridge in Orange, California carries CHAPMAN AVENUE over SANTA ANA RIVER CHANNEL. It was built in 1976, making it 50 years old today. The structure is built primarily of concrete continuous and spans 5 sections, stretching 118.6 meters (389 feet) end to end. Daily traffic averages 32,900 vehicles, placing it in the heavily-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 4/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in poor 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 34.7 metric tons.

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

How CHAPMAN AVENUE compares

▲ 3.4
Load rating vs California average (31.3 t)
Top 21%
Higher load rating than 79% of California bridges
1,224
Bridges in Orange · 27 in Poor condition
CHAPMAN AVENUE 34.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
73.0 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
9.0
Special reductions
−2.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
34.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1976
Material
Concrete Continuous
Number of Spans
5
Structure Length
118.6 m (389 ft)
Deck Width
30.5 m (100 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
32,900 vehicles/day
Structure Number
55C0054

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 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

CHAPMAN AVENUE 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 CHAPMAN AVENUE against other structures in Orange 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 CHAPMAN AVENUE?

CHAPMAN AVENUE in Orange, California has a deck rating of 4/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CHAPMAN AVENUE inspected?

CHAPMAN AVENUE'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 32,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CHAPMAN AVENUE 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 CHAPMAN AVENUE?

CHAPMAN AVENUE has an NBI inventory load rating of 34.7 metric tons.

Who is responsible for maintaining CHAPMAN AVENUE?

CHAPMAN AVENUE is owned and maintained by City/Municipal Highway Agency.

How old is CHAPMAN AVENUE and does age affect safety?

CHAPMAN AVENUE was built in 1976, making it 50 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.