FHWA NBI 2024 Inspection record Public-domain dataset

SC 183

Carrying SC 183 over SALUDA RIVER

6 MI NW OF GREENVILLE, Greenville, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
28 t Inventory load rating

Bridge Snapshot: SC 183

The SC 183 bridge in Greenville, South Carolina carries SC 183 over SALUDA RIVER. It was built in 1954, making it 72 years old today. It was last reconstructed in 2019, extending its service life. The structure is built primarily of concrete and spans 8 sections, stretching 97.5 meters (320 feet) end to end. Daily traffic averages 15,300 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 4/9. 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. Its NBI inventory load rating is 28.2 metric tons.

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

How SC 183 compares

▼ 1.6
Load rating vs South Carolina average (29.8 t)
Top 50%
Higher load rating than 50% of South Carolina bridges
373
Bridges in Greenville · 24 in Poor condition
SC 183 28.2 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
42.8 / 100 - historical 20–49.9 band
Structural adequacy /55
27.2
Serviceability /30
9.0
Essentiality /15
6.6
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
28.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1954
Last Reconstructed
2019
Material
Concrete
Number of Spans
8
Structure Length
97.5 m (320 ft)
Deck Width
9.6 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
15,300 vehicles/day
Structure Number
000000000002037

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

SC 183 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 SC 183 against other structures in Greenville 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 183?

SC 183 in Greenville, South Carolina has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SC 183 inspected?

SC 183'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 15,300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SC 183 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 SC 183?

SC 183 has an NBI inventory load rating of 28.2 metric tons.

Who is responsible for maintaining SC 183?

SC 183 is owned and maintained by State Highway Agency.

How old is SC 183 and does age affect safety?

SC 183 was built in 1954, making it 72 years old and last reconstructed in 2019.

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.