FHWA NBI 2024 Inspection record Public-domain dataset

C-4-855

Carrying C-4-855 over WILSONS CR

13.3 MI SE ANDERSON, Anderson, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
4 t Inventory load rating

Bridge Snapshot: C-4-855

The C-4-855 bridge in Anderson, South Carolina carries C-4-855 over WILSONS CR. It was built in 1958, making it 68 years old today. It was last reconstructed in 2004, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 28.0 meters (92 feet) end to end. Daily traffic averages 125 vehicles, placing it in the lower-traffic tier of South Carolina bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure 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. Its NBI inventory load rating is 4.2 metric tons.

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

How C-4-855 compares

▼ 25.6
Load rating vs South Carolina average (29.8 t)
Bottom 1%
Lower load rating than 99% of South Carolina bridges
267
Bridges in Anderson · 13 in Poor condition
C-4-855 4.2 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
28.1 / 100 - historical 20–49.9 band
Structural adequacy /55
6.3
Serviceability /30
7.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
4.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1958
Last Reconstructed
2004
Material
Steel
Number of Spans
1
Structure Length
28.0 m (92 ft)
Deck Width
5.8 m (19 ft)
Owner
County Highway Agency
Avg Daily Traffic
125 vehicles/day
Structure Number
000000000002656

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether C-4-855 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 C-4-855 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 C-4-855?

C-4-855 in Anderson, South Carolina has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is C-4-855 inspected?

C-4-855'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 125 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. C-4-855 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 C-4-855?

C-4-855 has an NBI inventory load rating of 4.2 metric tons.

Who is responsible for maintaining C-4-855?

C-4-855 is owned and maintained by County Highway Agency.

How old is C-4-855 and does age affect safety?

C-4-855 was built in 1958, making it 68 years old and last reconstructed in 2004.

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.