FAU-1405 (lake St) over S Br Chicago Riv
PoorCook County, Illinois · 356 W Lake ST · Structure no. 016602900000000
- Built
- 1916
- 109 years old, rebuilt 1995
- Condition
- Poor
- inspected September 2023
- Type
- Movable - Bascule
- Steel
- Length
- 359 ft
- 1 main span
- Daily traffic
- 10,250
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
FAU-1405 (lake St) over S Br Chicago Riv is a steel movable - bascule carrying FAU-1405 (lake St) over S Br Chicago Riv in Cook County, Illinois. It was built in 1916 and reconstructed in 1995, so it is 109 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 10,250 vehicles a day, roughly 7% of them trucks, projected to reach 9,646 by 2046. The structure is 359 ft (109.5 m) long and 70 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAU-1405 (lake St) over S Br Chicago Riv built?
It was built in 1916, making it 109 years old in 2025. It was reconstructed in 1995.
What condition is FAU-1405 (lake St) over S Br Chicago Riv 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 September 2023.
How much traffic does FAU-1405 (lake St) over S Br Chicago Riv carry?
About 10,250 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is FAU-1405 (lake St) over S Br Chicago Riv?
The structure is 359 ft (109.5 m) long with a longest span of 245 ft (74.7 m) and a deck 70 ft wide.
Who owns FAU-1405 (lake St) over S Br Chicago Riv?
It is owned by the City or Municipal Highway Agency.