State Line Road over Knob Creek
PoorPosted for loadGraves County, Kentucky · .9 MI West of Ky 303 · Structure no. 042C00134N
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 45 ft
- 1 main span
- Daily traffic
- 158
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
State Line Road over Knob Creek is a steel stringer/multi-beam or girder carrying State Line Road over Knob Creek in Graves County, Kentucky. It was built in 1960, so it is 65 years old, older than the Kentucky average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 158 vehicles a day, projected to reach 158 by 2029. The structure is 45 ft (13.6 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Line Road over Knob Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is State Line Road over Knob Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does State Line Road over Knob Creek carry?
About 158 vehicles per day (2009 count).
How long is State Line Road over Knob Creek?
The structure is 45 ft (13.6 m) long with a longest span of 43 ft (13 m) and a deck 20 ft wide.
Who owns State Line Road over Knob Creek?
It is owned by the County Highway Agency.