RTE 57 & CHAPMAN
Carrying RTE 57 & CHAPMAN over BITTERBUSH CHANNEL
12-ORA-057-11.20-ORA, Orange, California
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
RTE 57 & CHAPMAN in Orange, California sits above 37% of rated California bridges on inventory load rating (32 t), while its 1976 build year is earlier than 48% of Orange's recorded-year cohort (1,164 bridges).
RTE 57 & CHAPMAN in Orange, California is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1976, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure CA:55 0618
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: RTE 57 & CHAPMAN
The RTE 57 & CHAPMAN bridge in Orange, California carries RTE 57 & CHAPMAN over BITTERBUSH CHANNEL. It was built in 1976, making it 50 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 229,000 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How RTE 57 & CHAPMAN compares
Age against the county: built in 1976, earlier than 556 of Orange's 1,164 bridges with a recorded construction year (48%), against a county median build year of 1976.
Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).
RTE 57 & CHAPMAN vs every rated California bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 63% higher than 37% of 25,538 bridges
rated California bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Orange inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 1,164 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1976
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 11.0 m (36 ft)
- Deck Width
- 55.9 m (183 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 229,000 vehicles/day
- Structure Number
- 55 0618
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether RTE 57 & CHAPMAN 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 RTE 57 & CHAPMAN 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 RTE 57 & CHAPMAN?
RTE 57 & CHAPMAN in Orange, California on the FHWA's 0–9 scale.
How often is RTE 57 & CHAPMAN inspected?
RTE 57 & CHAPMAN'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 229,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RTE 57 & CHAPMAN is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for RTE 57 & CHAPMAN?
RTE 57 & CHAPMAN has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining RTE 57 & CHAPMAN?
RTE 57 & CHAPMAN is owned and maintained by State Highway Agency.
How old is RTE 57 & CHAPMAN and does age affect safety?
RTE 57 & CHAPMAN 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.