FHWA NBI 2024 Inspection record Public-domain dataset

OLD SR 3C E. WK.R

Carrying OLD SR 3C E. WK.R over EAST FORK WALKER RVR

SOUTHEAST OF YERINGTON, Lyon, Nevada

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating Lower than 99% of rated Nevada bridges

OLD SR 3C E. WK.R in Lyon, Nevada sits above 1% of rated Nevada bridges on inventory load rating (16 t), while its 1970 build year is earlier than 47% of Lyon's recorded-year cohort (53 bridges).

OLD SR 3C E. WK.R in Lyon, Nevada is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure NV:B1348

INTERSTATE-ERA · STEEL · SINGLE-SPAN · SUPER-LED · LOCAL-ADT · LIGHT-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light load
  • CAT-POOR Poor

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: OLD SR 3C E. WK.R

The OLD SR 3C E. WK.R bridge in Lyon, Nevada carries OLD SR 3C E. WK.R over EAST FORK WALKER RVR. It was built in 1970, making it 56 years old today. The structure is built primarily of steel and spans 1 section, stretching 15.5 meters (51 feet) end to end. Daily traffic averages 85 vehicles, placing it in the lower-traffic tier of Nevada bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.

How OLD SR 3C E. WK.R compares

▼ 31.0
Load rating vs Nevada average (47.2 t; 2,090 of 2,099 rated)
53
Bridges in Lyon · 4 in Poor condition

Age against the county: built in 1970, earlier than 25 of Lyon's 53 bridges with a recorded construction year (47%), against a county median build year of 1969. This is one of the newer structures in its county.

OLD SR 3C E. WK.R 16.2 t
Nevada average (2,090 of 2,099 rated) 47.2 t

Live comparison across Nevada bridges with a recorded inventory load rating (2,090 of 2,099 rated).

OLD SR 3C E. WK.R vs every rated Nevada bridge

Inventory load rating (metric tons), FHWA NBI, this state

16 Top 99% higher than 1% of 2,090 bridges

rated Nevada bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

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

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Lyon inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 53 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1970
Material
Steel
Number of Spans
1
Structure Length
15.5 m (51 ft)
Deck Width
5.5 m (18 ft)
Owner
County Highway Agency
Avg Daily Traffic
85 vehicles/day
Structure Number
B1348

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

OLD SR 3C E. WK.R 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 OLD SR 3C E. WK.R against other structures in Lyon and across Nevada. Nevada 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 OLD SR 3C E. WK.R?

OLD SR 3C E. WK.R in Lyon, Nevada has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is OLD SR 3C E. WK.R inspected?

OLD SR 3C E. WK.R'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 85 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD SR 3C E. WK.R 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 OLD SR 3C E. WK.R?

OLD SR 3C E. WK.R has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining OLD SR 3C E. WK.R?

OLD SR 3C E. WK.R is owned and maintained by County Highway Agency.

How old is OLD SR 3C E. WK.R and does age affect safety?

OLD SR 3C E. WK.R was built in 1970, making it 56 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.