US 30 over Deep River
GoodLake County, Indiana · 01.96 E SR 51 · Structure no. 008140
- Built
- 1935
- 90 years old, rebuilt 1979
- Condition
- Good
- inspected March 2024
- Type
- Arch - Deck
- Concrete
- Length
- 110 ft
- 1 main span
- Daily traffic
- 25,719
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Deep River is a concrete arch - deck carrying US 30 over Deep River in Lake County, Indiana. It was built in 1935 and reconstructed in 1979, so it is 90 years old, older 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 25,719 vehicles a day, roughly 20% of them trucks, projected to reach 39,810 by 2030. The structure is 110 ft (33.5 m) long and 113 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| 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 US 30 over Deep River built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1979.
What condition is US 30 over Deep 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 March 2024.
How much traffic does US 30 over Deep River carry?
About 25,719 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is US 30 over Deep River?
The structure is 110 ft (33.5 m) long with a longest span of 60 ft (18.2 m) and a deck 113 ft wide.
Who owns US 30 over Deep River?
It is owned by the State Highway Agency.