SR 120
Carrying SR 120 over YELLOW RIVER
1.2 MI W OF LAWRENCEVILLE, Gwinnett, Georgia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SR 120
The SR 120 bridge in Gwinnett, Georgia carries SR 120 over YELLOW RIVER. It was built in 1902, making it 124 years old today. It was last reconstructed in 1996, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 26.2 meters (86 feet) end to end. Daily traffic averages 19,308 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 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 29.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SR 120 compares
Live comparison across Georgia.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1902
- Last Reconstructed
- 1996
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 26.2 m (86 ft)
- Deck Width
- 26.4 m (87 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 19,308 vehicles/day
- Structure Number
- 000000013500260
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether SR 120 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 SR 120 against other structures in Gwinnett 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 SR 120?
SR 120 in Gwinnett, Georgia has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is SR 120 inspected?
SR 120'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 19,308 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR 120 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 SR 120?
SR 120 has an NBI inventory load rating of 29.0 metric tons.
Who is responsible for maintaining SR 120?
SR 120 is owned and maintained by State Highway Agency.
How old is SR 120 and does age affect safety?
SR 120 was built in 1902, making it 124 years old and last reconstructed in 1996.
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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.