FHWA NBI 2024 Inspection record Public-domain dataset

SR1830

Carrying SR1830 over TOMS CREEK

.5 MI.W.JCT.SR1809, Surry, North Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
20 t Inventory load rating Lower than 94% of rated North Carolina bridges

SR1830 in Surry, North Carolina sits above 6% of rated North Carolina bridges on inventory load rating (20 t), while its 1975 build year is earlier than 50% of Surry's recorded-year cohort (308 bridges).

SR1830 in Surry, North Carolina is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1975, 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 NC:000000001710105

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

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • 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: SR1830

The SR1830 bridge in Surry, North Carolina carries SR1830 over TOMS CREEK. It was built in 1975, making it 51 years old today. The structure is built primarily of steel and spans 3 sections, stretching 27.7 meters (91 feet) end to end. Daily traffic averages 110 vehicles, placing it in the lower-traffic tier of North Carolina bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, 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.

How SR1830 compares

▼ 24.7
Load rating vs North Carolina average (44.6 t; 19,160 of 19,210 rated)
308
Bridges in Surry · 28 in Poor condition

Age against the county: built in 1975, earlier than 155 of Surry's 308 bridges with a recorded construction year (50%), against a county median build year of 1976. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

SR1830 19.9 t
North Carolina average (19,160 of 19,210 rated) 44.6 t

Live comparison across North Carolina bridges with a recorded inventory load rating (19,160 of 19,210 rated).

SR1830 vs every rated North Carolina bridge

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

20 Top 94% higher than 6% of 19,160 bridges

rated North Carolina 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
5/9
Fair (5–6)
Inventory Load Rating
19.9 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.

Surry inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 308 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
1975
Material
Steel
Number of Spans
3
Structure Length
27.7 m (91 ft)
Deck Width
7.6 m (25 ft)
Owner
State Highway Agency
Avg Daily Traffic
110 vehicles/day
Structure Number
000000001710105

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 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

SR1830 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 SR1830 against other structures in Surry and across North Carolina. North Carolina 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 SR1830?

SR1830 in Surry, North Carolina has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is SR1830 inspected?

SR1830'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 110 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR1830 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 SR1830?

SR1830 has an NBI inventory load rating of 19.9 metric tons.

Who is responsible for maintaining SR1830?

SR1830 is owned and maintained by State Highway Agency.

How old is SR1830 and does age affect safety?

SR1830 was built in 1975, making it 51 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

Share this inspection record

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

XFacebookLinkedInWhatsAppEmail

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.