Martha Layne Colli over Salt River
FairMercer County, Kentucky · Wbl at Anderson Cl · Structure no. 084B00014L
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 197 ft
- 3 main spans
- Daily traffic
- 7,450
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Martha Layne Colli over Salt River is a concrete continuous tee beam carrying Martha Layne Colli over Salt River in Mercer County, Kentucky. It was built in 1965, so it is 60 years old, older 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 5 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 7,450 vehicles a day, roughly 25% of them trucks, projected to reach 7,450 by 2043. The structure is 197 ft (59.9 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Martha Layne Colli over Salt River built?
It was built in 1965, making it 60 years old in 2025.
What condition is Martha Layne Colli over Salt River 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 August 2024.
How much traffic does Martha Layne Colli over Salt River carry?
About 7,450 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is Martha Layne Colli over Salt River?
The structure is 197 ft (59.9 m) long with a longest span of 77 ft (23.5 m) and a deck 35 ft wide.
Who owns Martha Layne Colli over Salt River?
It is owned by the State Highway Agency.