FHWA NBI 2024 Inspection record Public-domain dataset

HORSE CREEK RD

Carrying HORSE CREEK RD over KLAMATH RIVER

0.04 MI NORTH OF SR 96, Siskiyou, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
8 t Inventory load rating

Bridge Snapshot: HORSE CREEK RD

The HORSE CREEK RD bridge in Siskiyou, California carries HORSE CREEK RD over KLAMATH RIVER. It was built in 1930, making it 96 years old today. The structure is built primarily of steel and spans 1 section, stretching 87.8 meters (288 feet) end to end. Daily traffic averages 21 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 4/9, superstructure at 3/9, substructure at 5/9. 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. Its NBI inventory load rating is 7.5 metric tons.

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

How HORSE CREEK RD compares

▼ 23.8
Load rating vs California average (31.3 t)
Bottom 1%
Lower load rating than 99% of California bridges
423
Bridges in Siskiyou · 23 in Poor condition
HORSE CREEK RD 7.5 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
14.9 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
2.0
Essentiality /15
12.9
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 How the historical reference is calculated.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

Deck
4/9
Poor (1–4)
Superstructure
3/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
7.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1930
Material
Steel
Number of Spans
1
Structure Length
87.8 m (288 ft)
Deck Width
4.0 m (13 ft)
Owner
County Highway Agency
Avg Daily Traffic
21 vehicles/day
Structure Number
02C0008

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

HORSE CREEK RD 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 HORSE CREEK RD 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 HORSE CREEK RD?

HORSE CREEK RD in Siskiyou, California has a deck rating of 4/9, superstructure rating of 3/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is HORSE CREEK RD inspected?

HORSE CREEK 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 21 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HORSE CREEK RD 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 HORSE CREEK RD?

HORSE CREEK RD has an NBI inventory load rating of 7.5 metric tons.

Who is responsible for maintaining HORSE CREEK RD?

HORSE CREEK RD is owned and maintained by County Highway Agency.

How old is HORSE CREEK RD and does age affect safety?

HORSE CREEK RD was built in 1930, making it 96 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.