Loomis ST over S Br Chicago River
PoorCook County, Illinois · 2470 S 1400 W · Structure no. 016603300000000
- Built
- 1904
- 121 years old, rebuilt 1976
- Condition
- Poor
- inspected August 2024
- Type
- Movable - Bascule
- Steel
- Length
- 457 ft
- 1 main span
- Daily traffic
- 3,675
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Loomis ST over S Br Chicago River is a steel movable - bascule carrying Loomis ST over S Br Chicago River in Cook County, Illinois. It was built in 1904 and reconstructed in 1976, so it is 121 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 4 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 3,675 vehicles a day, roughly 9% of them trucks, projected to reach 9,999 by 2046. The structure is 457 ft (139.3 m) long and 66 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Loomis ST over S Br Chicago River built?
It was built in 1904, making it 121 years old in 2025. It was reconstructed in 1976.
What condition is Loomis ST over S 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 Loomis ST over S Br Chicago River carry?
About 3,675 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Loomis ST over S Br Chicago River?
The structure is 457 ft (139.3 m) long with a longest span of 213 ft (64.9 m) and a deck 66 ft wide.
Who owns Loomis ST over S Br Chicago River?
It is owned by the City or Municipal Highway Agency.