MS-1117 ST Johns a over Ravine
FairLake County, Illinois · 3.3 M N Lake Cook RD · Structure no. 049655200000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 155 ft
- 3 main spans
- Daily traffic
- 1,400
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
MS-1117 ST Johns a over Ravine is a prestressed concrete box beam or girders - multiple carrying MS-1117 ST Johns a over Ravine in Lake County, Illinois. It was built in 1972, so it is 53 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. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 1,400 vehicles a day, roughly 6% of them trucks, projected to reach 2,172 by 2046. The structure is 155 ft (47.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was MS-1117 ST Johns a over Ravine built?
It was built in 1972, making it 53 years old in 2025.
What condition is MS-1117 ST Johns a 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 September 2024.
How much traffic does MS-1117 ST Johns a over Ravine carry?
About 1,400 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is MS-1117 ST Johns a over Ravine?
The structure is 155 ft (47.2 m) long with a longest span of 51 ft (15.6 m) and a deck 42 ft wide.
Who owns MS-1117 ST Johns a over Ravine?
It is owned by the City or Municipal Highway Agency.