Grand Ave over N Br Chicago River
PoorCook County, Illinois · 462 W & 530 N · Structure no. 016602100000000
- Built
- 1913
- 112 years old, rebuilt 1974
- Condition
- Poor
- inspected August 2024
- Type
- Movable - Bascule
- Steel
- Length
- 268 ft
- 1 main span
- Daily traffic
- 17,100
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Grand Ave over N Br Chicago River is a steel movable - bascule carrying Grand Ave over N Br Chicago River in Cook County, Illinois. It was built in 1913 and reconstructed in 1974, so it is 112 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 17,100 vehicles a day, roughly 12% of them trucks, projected to reach 8,636 by 2046. The structure is 268 ft (81.6 m) long and 60 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grand Ave over N Br Chicago River built?
It was built in 1913, making it 112 years old in 2025. It was reconstructed in 1974.
What condition is Grand Ave over N Br Chicago River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does Grand Ave over N Br Chicago River carry?
About 17,100 vehicles per day (2018 count), of which roughly 12% are trucks.
How long is Grand Ave over N Br Chicago River?
The structure is 268 ft (81.6 m) long with a longest span of 189 ft (57.5 m) and a deck 60 ft wide.
Who owns Grand Ave over N Br Chicago River?
It is owned by the City or Municipal Highway Agency.