TWIN HILL ROAD
Carrying TWIN HILL ROAD over JACKSON PURCHASE PARKWAY
1 MI N OF JCT KY 58-80, Graves, Kentucky
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
TWIN HILL ROAD in Graves, Kentucky sits above 29% of rated Kentucky bridges on inventory load rating (32 t), while its 1967 build year is earlier than 56% of Graves's recorded-year cohort (380 bridges).
TWIN HILL ROAD in Graves, Kentucky is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1967, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure KY:042B00161N
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: TWIN HILL ROAD
The TWIN HILL ROAD bridge in Graves, Kentucky carries TWIN HILL ROAD over JACKSON PURCHASE PARKWAY. It was built in 1967, making it 59 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 61.6 meters (202 feet) end to end. Daily traffic averages 234 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 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How TWIN HILL ROAD compares
Age against the county: built in 1967, earlier than 214 of Graves's 380 bridges with a recorded construction year (56%), against a county median build year of 1972. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Kentucky bridges with a recorded inventory load rating (14,532 of 14,548 rated).
TWIN HILL ROAD vs every rated Kentucky bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 71% higher than 29% of 14,532 bridges
rated Kentucky bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Graves inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 380 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1967
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 61.6 m (202 ft)
- Deck Width
- 8.8 m (29 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 234 vehicles/day
- Structure Number
- 042B00161N
Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether TWIN HILL ROAD 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 TWIN HILL ROAD 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 TWIN HILL ROAD?
TWIN HILL ROAD in Graves, Kentucky has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is TWIN HILL ROAD inspected?
TWIN HILL ROAD'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 234 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TWIN HILL ROAD 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 TWIN HILL ROAD?
TWIN HILL ROAD has an NBI inventory load rating of 32.2 metric tons.
Who is responsible for maintaining TWIN HILL ROAD?
TWIN HILL ROAD is owned and maintained by State Highway Agency.
How old is TWIN HILL ROAD and does age affect safety?
TWIN HILL ROAD 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.