Il 59 over Flint Creek Trib
GoodLake County, Illinois · 0.1 M S of US 14 · Structure no. 049015200000000
- Built
- 1977
- 48 years old, rebuilt 2011
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 16,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 59 over Flint Creek Trib is a prestressed concrete box beam or girders - multiple carrying Il 59 over Flint Creek Trib in Lake County, Illinois. It was built in 1977 and reconstructed in 2011, so it is 48 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 16,700 vehicles a day, roughly 6% of them trucks, projected to reach 14,847 by 2046. The structure is 26 ft (7.8 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 59 over Flint Creek Trib built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2011.
What condition is Il 59 over Flint Creek Trib in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does Il 59 over Flint Creek Trib carry?
About 16,700 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Il 59 over Flint Creek Trib?
The structure is 26 ft (7.8 m) long with a longest span of 20 ft (6.1 m) and a deck 67 ft wide.
Who owns Il 59 over Flint Creek Trib?
It is owned by the State Highway Agency.