RAILROAD FLAT RD
Carrying RAILROAD FLAT RD over JESUS MARIA CREEK
1.8 MI. S. JESUS MARIA RD, Calaveras, California
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
RAILROAD FLAT RD in Calaveras, California is rated Fair in the FHWA's 2024 National Bridge Inventory.
Built in 1978, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:30C0046
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
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: RAILROAD FLAT RD
The RAILROAD FLAT RD bridge in Calaveras, California carries RAILROAD FLAT RD over JESUS MARIA CREEK. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 571 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by County Highway Agency.
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.
How RAILROAD FLAT RD compares
Age against the county: built in 1978, earlier than 37 of Calaveras's 105 bridges with a recorded construction year (35%), against a county median build year of 1962. This is one of the newer structures in its county.
Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).
RAILROAD FLAT RD 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.
Calaveras inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 105 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
- 1978
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 12.2 m (40 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 571 vehicles/day
- Structure Number
- 30C0046
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 RAILROAD FLAT RD 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 RAILROAD FLAT RD against other structures in Calaveras 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 RAILROAD FLAT RD?
RAILROAD FLAT RD in Calaveras, California on the FHWA's 0–9 scale.
How often is RAILROAD FLAT RD inspected?
RAILROAD FLAT RD'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 571 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RAILROAD FLAT RD 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 RAILROAD FLAT RD?
RAILROAD FLAT RD has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining RAILROAD FLAT RD?
RAILROAD FLAT RD is owned and maintained by County Highway Agency.
How old is RAILROAD FLAT RD and does age affect safety?
RAILROAD FLAT RD was built in 1978, making it 48 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.