FHWA NBI 2024 Inspection record Public-domain dataset

S-16-179

Carrying S-16-179 over I-95

5MI N FLORENCE, Darlington, South Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
51 t Inventory load rating Higher than 96% of rated South Carolina bridges

S-16-179 in Darlington, South Carolina sits above 96% of rated South Carolina bridges on inventory load rating (51 t), while its 1967 build year is earlier than 62% of Darlington's recorded-year cohort (174 bridges).

S-16-179 in Darlington, South Carolina is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1967, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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 SC:000000000005013

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 4 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy 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: S-16-179

The S-16-179 bridge in Darlington, South Carolina carries S-16-179 over I-95. It was built in 1967, making it 59 years old today. The structure is built primarily of steel and spans 4 sections, stretching 89.9 meters (295 feet) end to end. Daily traffic averages 6,500 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 5/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How S-16-179 compares

▲ 20.6
Load rating vs South Carolina average (30.3 t; 9,483 of 9,490 rated)
174
Bridges in Darlington · 9 in Poor condition

Age against the county: built in 1967, earlier than 108 of Darlington's 174 bridges with a recorded construction year (62%), against a county median build year of 1972. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

S-16-179 50.9 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-16-179 vs every rated South Carolina bridge

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

51 Top 4% higher than 96% 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
6/9
Fair (5–6)
Inventory Load Rating
50.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Darlington 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
1967
Material
Steel
Number of Spans
4
Structure Length
89.9 m (295 ft)
Deck Width
11.5 m (38 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,500 vehicles/day
Structure Number
000000000005013

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) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether S-16-179 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 S-16-179 against other structures in Darlington 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-16-179?

S-16-179 in Darlington, South Carolina has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is S-16-179 inspected?

S-16-179'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 6,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S-16-179 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 S-16-179?

S-16-179 has an NBI inventory load rating of 50.9 metric tons.

Who is responsible for maintaining S-16-179?

S-16-179 is owned and maintained by State Highway Agency.

How old is S-16-179 and does age affect safety?

S-16-179 was built in 1967, making it 59 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.