FHWA NBI 2024 Inspection record Public-domain dataset

I-520

Carrying I-520 over SAVANNAH RIVER

SC/GEORGIA LINE, Atkinson, Georgia

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
27 t Inventory load rating Lower than 59% of rated Georgia bridges

I-520 in Atkinson, Georgia sits above 41% of rated Georgia bridges on inventory load rating (27 t), while its 2004 build year is earlier than 13% of Atkinson's recorded-year cohort (61 bridges).

I-520 in Atkinson, Georgia is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2004, 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 GA:000000007390010

POST-2000 · PRESTRESS · LONG-SPAN-RUN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • LONG-SPAN-RUN 14 spans
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard 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: I-520

The I-520 bridge in Atkinson, Georgia carries I-520 over SAVANNAH RIVER. It was built in 2004, making it 22 years old today. The structure is built primarily of prestressed concrete continuous and spans 14 sections, stretching 576.4 meters (1891 feet) end to end. Daily traffic averages 18,600 vehicles, placing it in the heavily-trafficked tier of Georgia bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How I-520 compares

▼ 6.9
Load rating vs Georgia average (33.5 t; 15,056 of 15,069 rated)
61
Bridges in Atkinson · 2 in Poor condition

Age against the county: built in 2004, earlier than 8 of Atkinson's 61 bridges with a recorded construction year (13%), against a county median build year of 1974. This is one of the newer structures in its county.

I-520 26.6 t
Georgia average (15,056 of 15,069 rated) 33.5 t

Live comparison across Georgia bridges with a recorded inventory load rating (15,056 of 15,069 rated).

I-520 vs every rated Georgia bridge

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

27 Top 59% higher than 41% of 15,056 bridges

rated Georgia 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
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
26.6 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.

Atkinson inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 61 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
2004
Material
Prestressed Concrete Continuous
Number of Spans
14
Structure Length
576.4 m (1891 ft)
Deck Width
27.2 m (89 ft)
Owner
State Highway Agency
Avg Daily Traffic
18,600 vehicles/day
Structure Number
000000007390010

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 I-520 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 I-520 against other structures in Atkinson and across Georgia. Georgia 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 I-520?

I-520 in Atkinson, Georgia has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is I-520 inspected?

I-520'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 18,600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I-520 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 I-520?

I-520 has an NBI inventory load rating of 26.6 metric tons.

Who is responsible for maintaining I-520?

I-520 is owned and maintained by State Highway Agency.

How old is I-520 and does age affect safety?

I-520 was built in 2004, making it 22 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

Share this inspection record

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.