FHWA NBI 2024 Inspection record Public-domain dataset

SR1820

Carrying SR1820 over LEEPERS CREEK

0.3 MI. W. JCT. SR1907, Gaston, North Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
49 t Inventory load rating Higher than 68% of rated North Carolina bridges

SR1820 in Gaston, North Carolina sits above 68% of rated North Carolina bridges on inventory load rating (49 t), while its 1981 build year is earlier than 51% of Gaston's recorded-year cohort (232 bridges).

SR1820 in Gaston, North Carolina is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1981, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:000000000710207

LATE-CENTURY · PRESTRESS · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: SR1820

The SR1820 bridge in Gaston, North Carolina carries SR1820 over LEEPERS CREEK. It was built in 1981, making it 45 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 41.7 meters (137 feet) end to end. Daily traffic averages 980 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How SR1820 compares

▲ 4.3
Load rating vs North Carolina average (44.6 t; 19,160 of 19,210 rated)
232
Bridges in Gaston · 12 in Poor condition

Age against the county: built in 1981, earlier than 118 of Gaston's 232 bridges with a recorded construction year (51%), against a county median build year of 1982. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

SR1820 48.9 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).

SR1820 vs every rated North Carolina bridge

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

49 Top 32% higher than 68% 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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
48.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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.

Gaston inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 232 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
1981
Material
Prestressed Concrete
Number of Spans
3
Structure Length
41.7 m (137 ft)
Deck Width
10.0 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
980 vehicles/day
Structure Number
000000000710207

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether SR1820 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare SR1820 against other structures in Gaston 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 SR1820?

SR1820 in Gaston, North Carolina has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR1820 inspected?

SR1820'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 980 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR1820 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SR1820?

SR1820 has an NBI inventory load rating of 48.9 metric tons.

Who is responsible for maintaining SR1820?

SR1820 is owned and maintained by State Highway Agency.

How old is SR1820 and does age affect safety?

SR1820 was built in 1981, making it 45 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.