MS-1340 Mayflower over Ravine
FairLake County, Illinois · Mayflower N of Ill R · Structure no. 049685500000000
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 302 ft
- 6 main spans
- Daily traffic
- 475
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
MS-1340 Mayflower over Ravine is a prestressed concrete continuous tee beam carrying MS-1340 Mayflower over Ravine in Lake County, Illinois. It was built in 1968, so it is 57 years old, older than the Illinois average of 45.3 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 475 vehicles a day, roughly 10% of them trucks, projected to reach 379 by 2046. The structure is 302 ft (92.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 MS-1340 Mayflower over Ravine built?
It was built in 1968, making it 57 years old in 2025.
What condition is MS-1340 Mayflower over Ravine 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 May 2023.
How much traffic does MS-1340 Mayflower over Ravine carry?
About 475 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is MS-1340 Mayflower over Ravine?
The structure is 302 ft (92.1 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.
Who owns MS-1340 Mayflower over Ravine?
It is owned by the City or Municipal Highway Agency.