FHWA NBI 2024 Inspection record Public-domain dataset

SC 28

Carrying SC 28 over CSX RAIL ROAD

19.2MI SE OF MCCORMICK, McCormick, South Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
48 t Inventory load rating Higher than 93% of rated South Carolina bridges

SC 28 in McCormick, South Carolina sits above 93% of rated South Carolina bridges on inventory load rating (48 t), while its 1987 build year is earlier than 31% of McCormick's recorded-year cohort (68 bridges).

SC 28 in McCormick, South Carolina is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1987, 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 SC:000000000008086

LATE-CENTURY · PRESTRESS · MULTI-SPAN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial 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: SC 28

The SC 28 bridge in McCormick, South Carolina carries SC 28 over CSX RAIL ROAD. It was built in 1987, making it 39 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 58.5 meters (192 feet) end to end. Daily traffic averages 4,000 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 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How SC 28 compares

▲ 18.0
Load rating vs South Carolina average (30.3 t; 9,483 of 9,490 rated)
68
Bridges in McCormick

Age against the county: built in 1987, earlier than 21 of McCormick's 68 bridges with a recorded construction year (31%), against a county median build year of 1968. This is one of the newer structures in its county.

SC 28 48.3 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).

SC 28 vs every rated South Carolina bridge

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

48 Top 7% higher than 93% 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
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
48.3 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.

McCormick inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 68 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
1987
Material
Prestressed Concrete
Number of Spans
3
Structure Length
58.5 m (192 ft)
Deck Width
14.4 m (47 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,000 vehicles/day
Structure Number
000000000008086

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) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, 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 SC 28 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 SC 28 against other structures in McCormick 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 SC 28?

SC 28 in McCormick, South Carolina has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SC 28 inspected?

SC 28'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 4,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SC 28 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 SC 28?

SC 28 has an NBI inventory load rating of 48.3 metric tons.

Who is responsible for maintaining SC 28?

SC 28 is owned and maintained by State Highway Agency.

How old is SC 28 and does age affect safety?

SC 28 was built in 1987, making it 39 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.