FHWA NBI 2024 Inspection record Public-domain dataset

KY-979

Carrying KY-979 over MUD CREEK

.05 MI S OF JCT KY 680, Floyd, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
21 t Inventory load rating

Bridge Snapshot: KY-979

The KY-979 bridge in Floyd, Kentucky carries KY-979 over MUD CREEK. It was built in 1976, making it 50 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 22.6 meters (74 feet) end to end. Daily traffic averages 2,069 vehicles, placing it in the moderately-trafficked tier of Kentucky 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 5/9. The weakest component sits in poor 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 21.1 metric tons.

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

How KY-979 compares

▼ 18.1
Load rating vs Kentucky average (39.2 t)
Bottom 15%
Lower load rating than 85% of Kentucky bridges
161
Bridges in Floyd · 13 in Poor condition
KY-979 21.1 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
29.6 / 100 - historical 20–49.9 band
Structural adequacy /55
17.6
Serviceability /30
9.0
Essentiality /15
2.9
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
21.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1976
Material
Prestressed Concrete
Number of Spans
2
Structure Length
22.6 m (74 ft)
Deck Width
7.5 m (25 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,069 vehicles/day
Structure Number
036B00093N

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

KY-979 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 KY-979 against other structures in Floyd 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 KY-979?

KY-979 in Floyd, Kentucky has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is KY-979 inspected?

KY-979'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 2,069 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY-979 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 KY-979?

KY-979 has an NBI inventory load rating of 21.1 metric tons.

Who is responsible for maintaining KY-979?

KY-979 is owned and maintained by State Highway Agency.

How old is KY-979 and does age affect safety?

KY-979 was built in 1976, making it 50 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.