FHWA NBI 2024 Inspection record Public-domain dataset

SR4771

Carrying SR4771 over REEDY FORK CREEK

0.1 MI. S. JCT. US29, Guilford, North Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating Lower than 78% of rated North Carolina bridges

SR4771 in Guilford, North Carolina sits above 22% of rated North Carolina bridges on inventory load rating (33 t), while its 1955 build year is earlier than 91% of Guilford's recorded-year cohort (736 bridges).

SR4771 in Guilford, North Carolina is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1955, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:000000000810503

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard 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: SR4771

The SR4771 bridge in Guilford, North Carolina carries SR4771 over REEDY FORK CREEK. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 6,100 vehicles, placing it in the moderately-trafficked tier of North Carolina bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How SR4771 compares

▼ 12.0
Load rating vs North Carolina average (44.6 t; 19,160 of 19,210 rated)
736
Bridges in Guilford · 39 in Poor condition

Age against the county: built in 1955, earlier than 667 of Guilford's 736 bridges with a recorded construction year (91%), against a county median build year of 1996. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

SR4771 32.6 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).

SR4771 vs every rated North Carolina bridge

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

33 Top 78% higher than 22% 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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Guilford inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 736 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
1955
Material
Concrete Continuous
Number of Spans
3
Structure Length
7.6 m (25 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
6,100 vehicles/day
Structure Number
000000000810503

How to read this record

This page shows what the last federal inspection recorded, not whether SR4771 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 SR4771 against other structures in Guilford 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 SR4771?

SR4771 in Guilford, North Carolina on the FHWA's 0–9 scale.

How often is SR4771 inspected?

SR4771'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 6,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR4771 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 SR4771?

SR4771 has an NBI inventory load rating of 32.6 metric tons.

Who is responsible for maintaining SR4771?

SR4771 is owned and maintained by State Highway Agency.

How old is SR4771 and does age affect safety?

SR4771 was built in 1955, making it 71 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.

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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.