FHWA NBI 2024 Inspection record Public-domain dataset

S-28-588

Carrying S-28-588 over LITTLE BUFFALO CREEK

9 MI E OF KERSHAW, Kershaw, South Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating Lower than 92% of rated South Carolina bridges

S-28-588 in Kershaw, South Carolina sits above 8% of rated South Carolina bridges on inventory load rating (16 t), while its 1968 build year is earlier than 61% of Kershaw's recorded-year cohort (174 bridges).

S-28-588 in Kershaw, South Carolina is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1968, 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:000000000005329

INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · SUB-LED · LOCAL-ADT · LIGHT-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • LONG-SPAN-RUN 4 spans
  • SUB-LED Substructure-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: S-28-588

The S-28-588 bridge in Kershaw, South Carolina carries S-28-588 over LITTLE BUFFALO CREEK. It was built in 1968, making it 58 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of South 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 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 S-28-588 compares

▼ 14.1
Load rating vs South Carolina average (30.3 t; 9,483 of 9,490 rated)
174
Bridges in Kershaw · 9 in Poor condition

Age against the county: built in 1968, earlier than 107 of Kershaw's 174 bridges with a recorded construction year (61%), against a county median build year of 1970. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

S-28-588 16.2 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).

S-28-588 vs every rated South Carolina bridge

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

16 Top 92% higher than 8% 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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
16.2 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.

Kershaw inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 174 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
1968
Material
Concrete
Number of Spans
4
Structure Length
18.3 m (60 ft)
Deck Width
8.4 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
000000000005329

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.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.

How to read this record

S-28-588 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 S-28-588 against other structures in Kershaw 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 S-28-588?

S-28-588 in Kershaw, South Carolina has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is S-28-588 inspected?

S-28-588'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S-28-588 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 S-28-588?

S-28-588 has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining S-28-588?

S-28-588 is owned and maintained by State Highway Agency.

How old is S-28-588 and does age affect safety?

S-28-588 was built in 1968, making it 58 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.