FHWA NBI 2024 Inspection record Public-domain dataset

S-29-47

Carrying S-29-47 over BASKINS CREEK

9.3 MI SE LANCASTER, Lancaster, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: S-29-47

The S-29-47 bridge in Lancaster, South Carolina carries S-29-47 over BASKINS CREEK. It was built in 1928, making it 98 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 20.1 meters (66 feet) end to end. Daily traffic averages 450 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 a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 23.3 metric tons.

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

How S-29-47 compares

▼ 6.5
Load rating vs South Carolina average (29.8 t)
Bottom 33%
Lower load rating than 67% of South Carolina bridges
110
Bridges in Lancaster · 15 in Poor condition
S-29-47 23.3 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
41.9 / 100 - historical 20–49.9 band
Structural adequacy /55
21.1
Serviceability /30
6.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1928
Material
Concrete
Number of Spans
3
Structure Length
20.1 m (66 ft)
Deck Width
6.3 m (21 ft)
Owner
State Highway Agency
Avg Daily Traffic
450 vehicles/day
Structure Number
000000000000295

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

S-29-47 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 S-29-47 against other structures in Lancaster 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 S-29-47?

S-29-47 in Lancaster, South Carolina has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is S-29-47 inspected?

S-29-47'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 450 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S-29-47 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 S-29-47?

S-29-47 has an NBI inventory load rating of 23.3 metric tons.

Who is responsible for maintaining S-29-47?

S-29-47 is owned and maintained by State Highway Agency.

How old is S-29-47 and does age affect safety?

S-29-47 was built in 1928, making it 98 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.