FHWA NBI 2024 Inspection record Public-domain dataset

OLD RIVER ROAD

Carrying OLD RIVER ROAD over CALIFORNIA AQUEDUCT

0.5 MI NORTH OF RTE 166, Kern, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating

Bridge Snapshot: OLD RIVER ROAD

The OLD RIVER ROAD bridge in Kern, California carries OLD RIVER ROAD over CALIFORNIA AQUEDUCT. It was built in 1968, making it 58 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 16.5 meters (54 feet) end to end. Daily traffic averages 2,301 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by Other State Agencies.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 24.3 metric tons.

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

How OLD RIVER ROAD compares

▼ 7.0
Load rating vs California average (31.3 t)
Bottom 19%
Lower load rating than 81% of California bridges
686
Bridges in Kern · 31 in Poor condition
OLD RIVER ROAD 24.3 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
91.8 / 100 - historical 80–100 band
Structural adequacy /55
47.5
Serviceability /30
30.0
Essentiality /15
14.3
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1968
Material
Concrete Continuous
Number of Spans
3
Structure Length
16.5 m (54 ft)
Owner
Other State Agencies
Avg Daily Traffic
2,301 vehicles/day
Structure Number
50C0122

How to read this record

This page shows what the last federal inspection recorded, not whether OLD RIVER 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 OLD RIVER ROAD against other structures in Kern 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 OLD RIVER ROAD?

OLD RIVER ROAD in Kern, California on the FHWA's 0–9 scale.

How often is OLD RIVER ROAD inspected?

OLD RIVER 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 2,301 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD RIVER ROAD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for OLD RIVER ROAD?

OLD RIVER ROAD has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining OLD RIVER ROAD?

OLD RIVER ROAD is owned and maintained by Other State Agencies.

How old is OLD RIVER ROAD and does age affect safety?

OLD RIVER ROAD was built in 1968, making it 58 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.