US 20 over Grand Calumet River
GoodLake County, Indiana · 01.03 E SR 312 · Structure no. 005190
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 170 ft
- 3 main spans
- Daily traffic
- 19,844
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 over Grand Calumet River is a prestressed concrete continuous box beam or girders - single or spread carrying US 20 over Grand Calumet River in Lake County, Indiana. It was built in 2006, so it is 19 years old, younger than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 19,844 vehicles a day, roughly 6% of them trucks, projected to reach 37,136 by 2030. The structure is 170 ft (51.8 m) long and 80 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 over Grand Calumet River built?
It was built in 2006, making it 19 years old in 2025.
What condition is US 20 over Grand Calumet River 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 July 2024.
How much traffic does US 20 over Grand Calumet River carry?
About 19,844 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is US 20 over Grand Calumet River?
The structure is 170 ft (51.8 m) long with a longest span of 56 ft (17 m) and a deck 80 ft wide.
Who owns US 20 over Grand Calumet River?
It is owned by the State Highway Agency.