CHINA MT. ROAD
Carrying CHINA MT. ROAD over HOUSTON CREEK
CALLAHAN, Siskiyou, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CHINA MT. ROAD
The CHINA MT. ROAD bridge in Siskiyou, California carries CHINA MT. ROAD over HOUSTON CREEK. It was built in 1974, making it 52 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 9.5 meters (31 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 3/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CHINA MT. ROAD 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 How the historical reference is calculated.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
- 1974
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 9.5 m (31 ft)
- Deck Width
- 4.8 m (16 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 50 vehicles/day
- Structure Number
- 050555000001000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
CHINA MT. ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare CHINA MT. ROAD against other structures in Siskiyou 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 CHINA MT. ROAD?
CHINA MT. ROAD in Siskiyou, California has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is CHINA MT. ROAD inspected?
CHINA MT. 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 50 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CHINA MT. ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for CHINA MT. ROAD?
An inventory load rating is not recorded for CHINA MT. ROAD.
Who is responsible for maintaining CHINA MT. ROAD?
CHINA MT. ROAD is owned and maintained by U.S. Forest Service.
How old is CHINA MT. ROAD and does age affect safety?
CHINA MT. ROAD was built in 1974, making it 52 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.