FHWA NBI 2024 Inspection record Public-domain dataset

S-26-308

Carrying S-26-308 over PRINCE MILL SWAMP

7MI NE AYNOR, Horry, South Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
17 t Inventory load rating Lower than 89% of rated South Carolina bridges

S-26-308 in Horry, South Carolina sits above 11% of rated South Carolina bridges on inventory load rating (17 t), while its 1961 build year is earlier than 85% of Horry's recorded-year cohort (479 bridges).

S-26-308 in Horry, South Carolina is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1961, 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:000000000003674

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

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • LONG-SPAN-RUN 6 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-26-308

The S-26-308 bridge in Horry, South Carolina carries S-26-308 over PRINCE MILL SWAMP. It was built in 1961, making it 65 years old today. It was last reconstructed in 1995, extending its service life. The structure is built primarily of concrete and spans 6 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 125 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 6/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How S-26-308 compares

▼ 13.8
Load rating vs South Carolina average (30.3 t; 9,483 of 9,490 rated)
479
Bridges in Horry · 18 in Poor condition

Age against the county: built in 1961, earlier than 405 of Horry's 479 bridges with a recorded construction year (85%), against a county median build year of 1994. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

S-26-308 16.5 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-26-308 vs every rated South Carolina bridge

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

17 Top 89% higher than 11% 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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
16.5 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.

Horry inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 479 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
1961
Last Reconstructed
1995
Material
Concrete
Number of Spans
6
Structure Length
27.4 m (90 ft)
Deck Width
8.4 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
125 vehicles/day
Structure Number
000000000003674

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.

How to read this record

S-26-308 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-26-308 against other structures in Horry 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-26-308?

S-26-308 in Horry, South Carolina has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is S-26-308 inspected?

S-26-308'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 125 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S-26-308 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-26-308?

S-26-308 has an NBI inventory load rating of 16.5 metric tons.

Who is responsible for maintaining S-26-308?

S-26-308 is owned and maintained by State Highway Agency.

How old is S-26-308 and does age affect safety?

S-26-308 was built in 1961, making it 65 years old and last reconstructed in 1995.

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.