Montrose Ave over N Br Chicago River
FairCook County, Illinois · 4400 N & 2600 W · Structure no. 016608700000000
- Built
- 1917
- 108 years old, rebuilt 1994
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 189 ft
- 3 main spans
- Daily traffic
- 11,600
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Montrose Ave over N Br Chicago River is a steel continuous stringer/multi-beam or girder carrying Montrose Ave over N Br Chicago River in Cook County, Illinois. It was built in 1917 and reconstructed in 1994, so it is 108 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 11,600 vehicles a day, roughly 5% of them trucks, projected to reach 14,645 by 2046. The structure is 189 ft (57.5 m) long and 64 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Montrose Ave over N Br Chicago River built?
It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1994.
What condition is Montrose Ave over N Br Chicago River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does Montrose Ave over N Br Chicago River carry?
About 11,600 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Montrose Ave over N Br Chicago River?
The structure is 189 ft (57.5 m) long with a longest span of 80 ft (24.4 m) and a deck 64 ft wide.
Who owns Montrose Ave over N Br Chicago River?
It is owned by the City or Municipal Highway Agency.