FHWA NBI 2024 Inspection record Public-domain dataset

US 76

Carrying US 76 over U.S. 76 BUSINESS

TOWN OF SUMTER, Sumter, South Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
31 t Inventory load rating Higher than 56% of rated South Carolina bridges

US 76 in Sumter, South Carolina sits above 56% of rated South Carolina bridges on inventory load rating (31 t), while its 1958 build year is earlier than 75% of Sumter's recorded-year cohort (166 bridges).

US 76 in Sumter, South Carolina is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1958, 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:000000000002856

INTERSTATE-ERA · STEEL · SINGLE-SPAN · SUPER-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard 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 76

The US 76 bridge in Sumter, South Carolina carries US 76 over U.S. 76 BUSINESS. It was built in 1958, making it 68 years old today. The structure is built primarily of steel and spans 1 section, stretching 54.9 meters (180 feet) end to end. Daily traffic averages 12,500 vehicles, placing it in the heavily-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 6/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How US 76 compares

▲ 1.1
Load rating vs South Carolina average (30.3 t; 9,483 of 9,490 rated)
166
Bridges in Sumter · 18 in Poor condition

Age against the county: built in 1958, earlier than 125 of Sumter's 166 bridges with a recorded construction year (75%), against a county median build year of 1986. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

US 76 31.4 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 76 vs every rated South Carolina bridge

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

31 Top 44% higher than 56% 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
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
31.4 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.

Sumter inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 166 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
1958
Material
Steel
Number of Spans
1
Structure Length
54.9 m (180 ft)
Deck Width
19.0 m (62 ft)
Owner
State Highway Agency
Avg Daily Traffic
12,500 vehicles/day
Structure Number
000000000002856

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

US 76 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 76 against other structures in Sumter 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 76?

US 76 in Sumter, South Carolina has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is US 76 inspected?

US 76'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 12,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 76 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 76?

US 76 has an NBI inventory load rating of 31.4 metric tons.

Who is responsible for maintaining US 76?

US 76 is owned and maintained by State Highway Agency.

How old is US 76 and does age affect safety?

US 76 was built in 1958, making it 68 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.