FHWA NBI 2024 Inspection record Public-domain dataset

CORYDON ROAD

Carrying CORYDON ROAD over PALOMAR CHANNEL

.1 M NE UNION & CORYDON, Riverside, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: CORYDON ROAD

The CORYDON ROAD bridge in Riverside, California carries CORYDON ROAD over PALOMAR CHANNEL. It was built in 2006, making it 20 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 14.6 meters (48 feet) end to end. Daily traffic averages 2,000 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 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. Its NBI inventory load rating is 32.4 metric tons.

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

How CORYDON ROAD compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
1,142
Bridges in Riverside · 27 in Poor condition
CORYDON ROAD 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
97.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.8
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2006
Material
Concrete
Number of Spans
3
Structure Length
14.6 m (48 ft)
Deck Width
34.7 m (114 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,000 vehicles/day
Structure Number
56C0627

How to read this record

This page shows what the last federal inspection recorded, not whether CORYDON ROAD 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 CORYDON ROAD against other structures in Riverside 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 CORYDON ROAD?

CORYDON ROAD in Riverside, California on the FHWA's 0–9 scale.

How often is CORYDON ROAD inspected?

CORYDON ROAD'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 2,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CORYDON ROAD 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 CORYDON ROAD?

CORYDON ROAD has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining CORYDON ROAD?

CORYDON ROAD is owned and maintained by City/Municipal Highway Agency.

How old is CORYDON ROAD and does age affect safety?

CORYDON ROAD was built in 2006, making it 20 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.