FHWA NBI 2024 Inspection record Public-domain dataset

US52 US311 NC8

Carrying US52 US311 NC8 over I40 US311

0.6 MI. S. JCT. SR3875, Forsyth, North Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
41 t Inventory load rating Lower than 54% of rated North Carolina bridges

US52 US311 NC8 in Forsyth, North Carolina sits above 46% of rated North Carolina bridges on inventory load rating (41 t), while its 1971 build year is earlier than 66% of Forsyth's recorded-year cohort (454 bridges).

US52 US311 NC8 in Forsyth, North Carolina is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1971, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:000000000670078

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 4 spans
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

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: US52 US311 NC8

The US52 US311 NC8 bridge in Forsyth, North Carolina carries US52 US311 NC8 over I40 US311. It was built in 1971, making it 55 years old today. The structure is built primarily of steel and spans 4 sections, stretching 68.8 meters (226 feet) end to end. Daily traffic averages 63,500 vehicles, placing it in the heavily-trafficked 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 5/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How US52 US311 NC8 compares

▼ 3.8
Load rating vs North Carolina average (44.6 t; 19,160 of 19,210 rated)
454
Bridges in Forsyth · 41 in Poor condition

Age against the county: built in 1971, earlier than 299 of Forsyth's 454 bridges with a recorded construction year (66%), against a county median build year of 1989. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

US52 US311 NC8 40.8 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).

US52 US311 NC8 vs every rated North Carolina bridge

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

41 Top 54% higher than 46% 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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
40.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Forsyth inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 454 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
1971
Material
Steel
Number of Spans
4
Structure Length
68.8 m (226 ft)
Deck Width
29.7 m (97 ft)
Owner
State Highway Agency
Avg Daily Traffic
63,500 vehicles/day
Structure Number
000000000670078

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 fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether US52 US311 NC8 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 US52 US311 NC8 against other structures in Forsyth 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 US52 US311 NC8?

US52 US311 NC8 in Forsyth, North Carolina has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is US52 US311 NC8 inspected?

US52 US311 NC8'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 63,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US52 US311 NC8 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for US52 US311 NC8?

US52 US311 NC8 has an NBI inventory load rating of 40.8 metric tons.

Who is responsible for maintaining US52 US311 NC8?

US52 US311 NC8 is owned and maintained by State Highway Agency.

How old is US52 US311 NC8 and does age affect safety?

US52 US311 NC8 was built in 1971, making it 55 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.