FHWA NBI 2024 Inspection record Public-domain dataset

SH 166-01- LM 3.30

Carrying SH 166-01- LM 3.30 over FOURCHE RIVER

3.3 MI NE JCT US 67, Randolph, Arkansas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
14 t Inventory load rating Lower than 94% of rated Arkansas bridges

SH 166-01- LM 3.30 in Randolph, Arkansas sits above 6% of rated Arkansas bridges on inventory load rating (14 t), while its 1942 build year is earlier than 78% of Randolph's recorded-year cohort (151 bridges).

SH 166-01- LM 3.30 in Randolph, Arkansas is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1942, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. 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 AR:0000000000M2165

PRE-1950 · STEEL · SINGLE-SPAN · SUPER-LED · LOCAL-ADT · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • 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: SH 166-01- LM 3.30

The SH 166-01- LM 3.30 bridge in Randolph, Arkansas carries SH 166-01- LM 3.30 over FOURCHE RIVER. It was built in 1942, making it 84 years old today. The structure is built primarily of steel and spans 1 section, stretching 47.9 meters (157 feet) end to end. Daily traffic averages 180 vehicles, placing it in the lower-traffic tier of Arkansas bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 3/9, substructure at 4/9. 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 SH 166-01- LM 3.30 compares

▼ 12.5
Load rating vs Arkansas average (26.1 t; 12,914 of 12,974 rated)
151
Bridges in Randolph · 5 in Poor condition

Age against the county: built in 1942, earlier than 118 of Randolph's 151 bridges with a recorded construction year (78%), against a county median build year of 1980. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

SH 166-01- LM 3.30 13.6 t
Arkansas average (12,914 of 12,974 rated) 26.1 t

Live comparison across Arkansas bridges with a recorded inventory load rating (12,914 of 12,974 rated).

SH 166-01- LM 3.30 vs every rated Arkansas bridge

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

14 Top 94% higher than 6% of 12,914 bridges

rated Arkansas 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
6/9
Fair (5–6)
Superstructure
3/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
13.6 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.

Randolph inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 151 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
1942
Material
Steel
Number of Spans
1
Structure Length
47.9 m (157 ft)
Deck Width
6.3 m (21 ft)
Owner
State Highway Agency
Avg Daily Traffic
180 vehicles/day
Structure Number
0000000000M2165

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.

How to read this record

SH 166-01- LM 3.30 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 SH 166-01- LM 3.30 against other structures in Randolph and across Arkansas. Arkansas 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 SH 166-01- LM 3.30?

SH 166-01- LM 3.30 in Randolph, Arkansas has a deck rating of 6/9, superstructure rating of 3/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SH 166-01- LM 3.30 inspected?

SH 166-01- LM 3.30'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 180 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 166-01- LM 3.30 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 SH 166-01- LM 3.30?

SH 166-01- LM 3.30 has an NBI inventory load rating of 13.6 metric tons.

Who is responsible for maintaining SH 166-01- LM 3.30?

SH 166-01- LM 3.30 is owned and maintained by State Highway Agency.

How old is SH 166-01- LM 3.30 and does age affect safety?

SH 166-01- LM 3.30 was built in 1942, making it 84 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.