FHWA NBI 2024 Inspection record Public-domain dataset

KY-57

Carrying KY-57 over BOONE CREEK

.25 MI S OF JCT KY 537, Bourbon, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
80 t Inventory load rating

Bridge Snapshot: KY-57

The KY-57 bridge in Bourbon, Kentucky carries KY-57 over BOONE CREEK. It was built in 1930, making it 96 years old today. The structure is built primarily of steel and spans 2 sections, stretching 17.7 meters (58 feet) end to end. Daily traffic averages 273 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 culvert at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 80.0 metric tons.

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

How KY-57 compares

▲ 40.8
Load rating vs Kentucky average (39.2 t)
Top 3%
Higher load rating than 97% of Kentucky bridges
112
Bridges in Bourbon · 3 in Poor condition
KY-57 80.0 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
52.8 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
8.0
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 How the historical reference is calculated.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

Culvert
4/9
Poor (1–4)
Inventory Load Rating
80.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1930
Material
Steel
Number of Spans
2
Structure Length
17.7 m (58 ft)
Deck Width
6.6 m (22 ft)
Owner
State Highway Agency
Avg Daily Traffic
273 vehicles/day
Structure Number
009B00044N

How to read this record

KY-57 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-57 against other structures in Bourbon 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-57?

KY-57 in Bourbon, Kentucky on the FHWA's 0–9 scale.

How often is KY-57 inspected?

KY-57'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 273 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY-57 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-57?

KY-57 has an NBI inventory load rating of 80.0 metric tons.

Who is responsible for maintaining KY-57?

KY-57 is owned and maintained by State Highway Agency.

How old is KY-57 and does age affect safety?

KY-57 was built in 1930, making it 96 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.