Keystone Avenue over Natalie Creek
GoodCook County, Illinois · 0.12 MI N 147th ST · Structure no. 016764700000000
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected October 2021
- Type
- Frame
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 350
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Keystone Avenue over Natalie Creek is a concrete frame carrying Keystone Avenue over Natalie Creek in Cook County, Illinois. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 350 vehicles a day, roughly 19% of them trucks, projected to reach 379 by 2046. The structure is 32 ft (9.8 m) long and 65 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 |
|---|---|---|
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Keystone Avenue over Natalie Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is Keystone Avenue over Natalie Creek 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 October 2021.
How much traffic does Keystone Avenue over Natalie Creek carry?
About 350 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is Keystone Avenue over Natalie Creek?
The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 65 ft wide.
Who owns Keystone Avenue over Natalie Creek?
It is owned by the City or Municipal Highway Agency.