FHWA NBI 2024 Inspection record Public-domain dataset

S-4-294

Carrying S-4-294 over WILSONS CREEK

2.7MI SE IVA, Anderson, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
18 t Inventory load rating

Bridge Snapshot: S-4-294

The S-4-294 bridge in Anderson, South Carolina carries S-4-294 over WILSONS CREEK. It was built in 1958, making it 68 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 22.9 meters (75 feet) end to end. Daily traffic averages 75 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 6/9, superstructure at 6/9, substructure at 0/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 18.1 metric tons.

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

How S-4-294 compares

▼ 11.7
Load rating vs South Carolina average (29.8 t)
Bottom 18%
Lower load rating than 82% of South Carolina bridges
267
Bridges in Anderson · 13 in Poor condition
S-4-294 18.1 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
41.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
26.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
0/9
Failed (0)
Inventory Load Rating
18.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1958
Material
Concrete
Number of Spans
5
Structure Length
22.9 m (75 ft)
Deck Width
8.4 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
75 vehicles/day
Structure Number
000000000002650

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in critical condition (0/9), with severe deterioration requiring urgent attention.

How to read this record

S-4-294 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-4-294 against other structures in Anderson 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-4-294?

S-4-294 in Anderson, South Carolina has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 0/9 on the FHWA's 0–9 scale.

How often is S-4-294 inspected?

S-4-294'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 75 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S-4-294 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-4-294?

S-4-294 has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining S-4-294?

S-4-294 is owned and maintained by State Highway Agency.

How old is S-4-294 and does age affect safety?

S-4-294 was built in 1958, making it 68 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.