US 321/DEERFIELDRD
Carrying US 321/DEERFIELDRD over BRICKYARD SWAMP
2MI N OF HARDEEVILLE, Jasper, South Carolina
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
US 321/DEERFIELDRD in Jasper, South Carolina sits above 43% of rated South Carolina bridges on inventory load rating (27 t), while its 1940 build year is earlier than 83% of Jasper's recorded-year cohort (129 bridges).
US 321/DEERFIELDRD in Jasper, South Carolina is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1940, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:000000000000033
PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard 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: US 321/DEERFIELDRD
The US 321/DEERFIELDRD bridge in Jasper, South Carolina carries US 321/DEERFIELDRD over BRICKYARD SWAMP. It was built in 1940, making it 86 years old today. It was last reconstructed in 1971, extending its service life. The structure is built primarily of concrete and spans 3 sections, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 5,900 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 culvert 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.
How US 321/DEERFIELDRD compares
Age against the county: built in 1940, earlier than 107 of Jasper's 129 bridges with a recorded construction year (83%), against a county median build year of 1968. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across South Carolina bridges with a recorded inventory load rating (9,483 of 9,490 rated).
US 321/DEERFIELDRD vs every rated South Carolina bridge
Inventory load rating (metric tons), FHWA NBI, this state
27 Top 57% higher than 43% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Jasper inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 129 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
- 1940
- Last Reconstructed
- 1971
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 10.4 m (34 ft)
- Deck Width
- 18.0 m (59 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 5,900 vehicles/day
- Structure Number
- 000000000000033
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether US 321/DEERFIELDRD 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 US 321/DEERFIELDRD against other structures in Jasper 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 321/DEERFIELDRD?
US 321/DEERFIELDRD in Jasper, South Carolina on the FHWA's 0–9 scale.
How often is US 321/DEERFIELDRD inspected?
US 321/DEERFIELDRD'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 5,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. US 321/DEERFIELDRD 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 US 321/DEERFIELDRD?
US 321/DEERFIELDRD has an NBI inventory load rating of 26.9 metric tons.
Who is responsible for maintaining US 321/DEERFIELDRD?
US 321/DEERFIELDRD is owned and maintained by State Highway Agency.
How old is US 321/DEERFIELDRD and does age affect safety?
US 321/DEERFIELDRD was built in 1940, making it 86 years old and last reconstructed in 1971.
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.
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.
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.