FHWA NBI 2024 Inspection record Public-domain dataset

KLAMATH RIVER ROAD

Carrying KLAMATH RIVER ROAD over KLAMATH RIVER

SOUTH OF SH 96, Siskiyou, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: KLAMATH RIVER ROAD

The KLAMATH RIVER ROAD bridge in Siskiyou, California carries KLAMATH RIVER ROAD over KLAMATH RIVER. It was built in 2014, making it 12 years old today. The structure is built primarily of steel and spans 1 section, stretching 62.7 meters (206 feet) end to end. Daily traffic averages 200 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 a deck rating of 7/9, 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 31.8 metric tons.

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

How KLAMATH RIVER ROAD compares

▲ 0.5
Load rating vs California average (31.3 t)
Bottom 40%
Lower load rating than 60% of California bridges
423
Bridges in Siskiyou · 23 in Poor condition
KLAMATH RIVER ROAD 31.8 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
92.8 / 100 - historical 80–100 band
Structural adequacy /55
54.8
Serviceability /30
28.3
Essentiality /15
14.7
Special reductions
−5.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
31.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2014
Material
Steel
Number of Spans
1
Structure Length
62.7 m (206 ft)
Deck Width
8.0 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
200 vehicles/day
Structure Number
02C0241

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether KLAMATH 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 KLAMATH RIVER 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 KLAMATH RIVER ROAD?

KLAMATH RIVER ROAD in Siskiyou, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is KLAMATH RIVER ROAD inspected?

KLAMATH 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 200 vehicles per day.

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

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

KLAMATH RIVER ROAD has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining KLAMATH RIVER ROAD?

KLAMATH RIVER ROAD is owned and maintained by County Highway Agency.

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

KLAMATH RIVER ROAD was built in 2014, making it 12 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.