FHWA NBI 2024 Inspection record Public-domain dataset

SULPHUR CK RD

Carrying SULPHUR CK RD over SULPHUR CREEK

1.9 MI. S. OF JCT KY 206, Adair, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: SULPHUR CK RD

The SULPHUR CK RD bridge in Adair, Kentucky carries SULPHUR CK RD over SULPHUR CREEK. It was built in 2010, making it 16 years old today. The structure is built primarily of steel and spans 1 section, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 163 vehicles, placing it in the lower-traffic tier of Kentucky bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 31.0 metric tons.

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

How SULPHUR CK RD compares

▼ 8.2
Load rating vs Kentucky average (39.2 t)
Bottom 28%
Lower load rating than 72% of Kentucky bridges
143
Bridges in Adair · 11 in Poor condition
SULPHUR CK RD 31.0 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
90.4 / 100 - historical 80–100 band
Structural adequacy /55
54.5
Serviceability /30
21.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
31.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2010
Material
Steel
Number of Spans
1
Structure Length
15.2 m (50 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
163 vehicles/day
Structure Number
001C00076N

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether SULPHUR CK RD 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 SULPHUR CK RD against other structures in Adair and across Kentucky. Kentucky 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 SULPHUR CK RD?

SULPHUR CK RD in Adair, Kentucky has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SULPHUR CK RD inspected?

SULPHUR CK RD'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 163 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SULPHUR CK RD 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 SULPHUR CK RD?

SULPHUR CK RD has an NBI inventory load rating of 31.0 metric tons.

Who is responsible for maintaining SULPHUR CK RD?

SULPHUR CK RD is owned and maintained by County Highway Agency.

How old is SULPHUR CK RD and does age affect safety?

SULPHUR CK RD was built in 2010, making it 16 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.