TUOLUMNE RD
Carrying TUOLUMNE RD over CURTIS CREEK
2.4 MI E/O SR 108, Tuolumne, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TUOLUMNE RD
The TUOLUMNE RD bridge in Tuolumne, California carries TUOLUMNE RD over CURTIS CREEK. It was built in 1947, making it 79 years old today. The structure is built primarily of steel and spans 1 section, stretching 6.2 meters (20 feet) end to end. Daily traffic averages 12,283 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show superstructure at 7/9, substructure 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 20.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How TUOLUMNE RD compares
Live comparison across California.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1947
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 6.2 m (20 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 12,283 vehicles/day
- Structure Number
- 32C0046
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether TUOLUMNE 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 TUOLUMNE RD against other structures in Tuolumne 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 TUOLUMNE RD?
TUOLUMNE RD in Tuolumne, California, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is TUOLUMNE RD inspected?
TUOLUMNE 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 12,283 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TUOLUMNE RD 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 TUOLUMNE RD?
TUOLUMNE RD has an NBI inventory load rating of 20.7 metric tons.
Who is responsible for maintaining TUOLUMNE RD?
TUOLUMNE RD is owned and maintained by County Highway Agency.
How old is TUOLUMNE RD and does age affect safety?
TUOLUMNE RD was built in 1947, making it 79 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.
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.