Duncannon Road over I-75
FairMadison County, Kentucky · .5 Mi. E of JCT Ky. 2881 · Structure no. 076B00111N
- Built
- 2007
- 18 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 272 ft
- 4 main spans
- Daily traffic
- 3,610
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Duncannon Road over I-75 is a prestressed concrete continuous stringer/multi-beam or girder carrying Duncannon Road over I-75 in Madison County, Kentucky. It was built in 2007, so it is 18 years old, younger than the Kentucky average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,610 vehicles a day, roughly 10% of them trucks, projected to reach 3,610 by 2043. The structure is 272 ft (82.9 m) long and 103 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Duncannon Road over I-75 built?
It was built in 2007, making it 18 years old in 2025.
What condition is Duncannon Road over I-75 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does Duncannon Road over I-75 carry?
About 3,610 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Duncannon Road over I-75?
The structure is 272 ft (82.9 m) long with a longest span of 89 ft (27.1 m) and a deck 103 ft wide.
Who owns Duncannon Road over I-75?
It is owned by the State Highway Agency.