FHWA NBI 2024 Inspection record Public-domain dataset

KY-1820

Carrying KY-1820 over BRANCH OF MAYFEILD CREEK

.20 MI EAST OF JCT KY 339, Graves, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
3 t Inventory load rating

Bridge Snapshot: KY-1820

The KY-1820 bridge in Graves, Kentucky carries KY-1820 over BRANCH OF MAYFEILD CREEK. It was built in 1967, making it 59 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 628 vehicles, placing it in the lower-traffic tier of Kentucky 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 3/9. 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 2.7 metric tons.

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

How KY-1820 compares

▼ 36.5
Load rating vs Kentucky average (39.2 t)
Bottom 1%
Lower load rating than 99% of Kentucky bridges
380
Bridges in Graves · 36 in Poor condition
KY-1820 2.7 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
13.1 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
6.0
Essentiality /15
7.1
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Inventory Load Rating
2.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1967
Material
Concrete
Number of Spans
3
Structure Length
20.1 m (66 ft)
Deck Width
7.3 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
628 vehicles/day
Structure Number
042B00271N

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • 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 poor condition (3/9), showing advanced deterioration that may require priority repair.

How to read this record

KY-1820 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-1820 against other structures in Graves 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-1820?

KY-1820 in Graves, Kentucky has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is KY-1820 inspected?

KY-1820'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 628 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY-1820 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-1820?

KY-1820 has an NBI inventory load rating of 2.7 metric tons.

Who is responsible for maintaining KY-1820?

KY-1820 is owned and maintained by State Highway Agency.

How old is KY-1820 and does age affect safety?

KY-1820 was built in 1967, making it 59 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.