FHWA NBI 2024 Inspection record Public-domain dataset

ROAD

Carrying ROAD over MID FK APPLEGATE

NO DATA ENTERED, Siskiyou, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
25 t Inventory load rating

Bridge Snapshot: ROAD

The ROAD bridge in Siskiyou, California carries ROAD over MID FK APPLEGATE. It was built in 1963, making it 63 years old today. It was last reconstructed in 2000, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 29.0 meters (95 feet) end to end. Daily traffic averages 10 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 4/9, superstructure at 7/9, substructure at 7/9. 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 24.5 metric tons.

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

How ROAD compares

▼ 6.8
Load rating vs California average (31.3 t)
Bottom 27%
Lower load rating than 73% of California bridges
423
Bridges in Siskiyou · 23 in Poor condition
ROAD 24.5 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
70.7 / 100 - historical 50–79.9 band
Structural adequacy /55
47.8
Serviceability /30
11.0
Essentiality /15
15.0
Special reductions
−3.1

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1963
Last Reconstructed
2000
Material
Concrete Continuous
Number of Spans
3
Structure Length
29.0 m (95 ft)
Deck Width
5.2 m (17 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
10 vehicles/day
Structure Number
061001000001015

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 good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

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 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 ROAD?

ROAD in Siskiyou, California has a deck rating of 4/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ROAD inspected?

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 10 vehicles per day.

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

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

ROAD has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining ROAD?

ROAD is owned and maintained by U.S. Forest Service.

How old is ROAD and does age affect safety?

ROAD was built in 1963, making it 63 years old and last reconstructed in 2000.

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.