FHWA NBI 2024 Inspection record Public-domain dataset

SC 57

Carrying SC 57 over BR OF LITTLE PEE DEE RIV

7.0MI NW OF LITTLE ROCK, Dillon, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: SC 57

The SC 57 bridge in Dillon, South Carolina carries SC 57 over BR OF LITTLE PEE DEE RIV. It was built in 1948, making it 78 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.3 meters (21 feet) end to end. Daily traffic averages 950 vehicles, placing it in the lower-traffic 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. All reported major components score above the Poor range. Its NBI inventory load rating is 29.2 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SC 57 compares

▼ 0.6
Load rating vs South Carolina average (29.8 t)
Top 48%
Higher load rating than 52% of South Carolina bridges
62
Bridges in Dillon · 2 in Poor condition
SC 57 29.2 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
79.0 / 100 - historical 50–79.9 band
Structural adequacy /55
53.1
Serviceability /30
11.0
Essentiality /15
14.9
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
29.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1948
Material
Concrete Continuous
Number of Spans
2
Structure Length
6.3 m (21 ft)
Deck Width
10.3 m (34 ft)
Owner
State Highway Agency
Avg Daily Traffic
950 vehicles/day
Structure Number
000000000001451

How to read this record

This page shows what the last federal inspection recorded, not whether SC 57 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 SC 57 against other structures in Dillon 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 SC 57?

SC 57 in Dillon, South Carolina on the FHWA's 0–9 scale.

How often is SC 57 inspected?

SC 57'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 950 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SC 57 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 SC 57?

SC 57 has an NBI inventory load rating of 29.2 metric tons.

Who is responsible for maintaining SC 57?

SC 57 is owned and maintained by State Highway Agency.

How old is SC 57 and does age affect safety?

SC 57 was built in 1948, making it 78 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

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.