FHWA NBI 2024 Inspection record Public-domain dataset

US 52 WB

Carrying US 52 WB over LYNCHES RIVER SWAMP

4.0MI N OF COWARD, Florence, South Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating Lower than 77% of rated South Carolina bridges

US 52 WB in Florence, South Carolina sits above 23% of rated South Carolina bridges on inventory load rating (19 t), while its 1950 build year is earlier than 88% of Florence's recorded-year cohort (277 bridges).

US 52 WB in Florence, South Carolina is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1950, 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 SC:000000000001705

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · SUB-LED · ARTERIAL-ADT · LIGHT-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • SUB-LED Substructure-led
  • ARTERIAL-ADT Arterial 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: US 52 WB

The US 52 WB bridge in Florence, South Carolina carries US 52 WB over LYNCHES RIVER SWAMP. It was built in 1950, making it 76 years old today. It was last reconstructed in 1976, extending its service life. The structure is built primarily of concrete and spans 3 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 7,350 vehicles, placing it in the moderately-trafficked tier of South 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 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 US 52 WB compares

▼ 11.2
Load rating vs South Carolina average (30.3 t; 9,483 of 9,490 rated)
277
Bridges in Florence · 7 in Poor condition

Age against the county: built in 1950, earlier than 243 of Florence's 277 bridges with a recorded construction year (88%), against a county median build year of 1973. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

US 52 WB 19.1 t
South Carolina average (9,483 of 9,490 rated) 30.3 t

Live comparison across South Carolina bridges with a recorded inventory load rating (9,483 of 9,490 rated).

US 52 WB vs every rated South Carolina bridge

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

19 Top 77% higher than 23% of 9,483 bridges

rated South 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
4/9
Poor (1–4)
Inventory Load Rating
19.1 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.

Florence inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 277 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
1950
Last Reconstructed
1976
Material
Concrete
Number of Spans
3
Structure Length
27.4 m (90 ft)
Deck Width
13.1 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
7,350 vehicles/day
Structure Number
000000000001705

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.

How to read this record

US 52 WB 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 US 52 WB against other structures in Florence and across South Carolina. South 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 US 52 WB?

US 52 WB in Florence, South Carolina has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is US 52 WB inspected?

US 52 WB'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 7,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 52 WB 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 US 52 WB?

US 52 WB has an NBI inventory load rating of 19.1 metric tons.

Who is responsible for maintaining US 52 WB?

US 52 WB is owned and maintained by State Highway Agency.

How old is US 52 WB and does age affect safety?

US 52 WB was built in 1950, making it 76 years old and last reconstructed in 1976.

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.