SR 51 over Deep River
GoodLake County, Indiana · 02.00 N US 30 · Structure no. 018850
- Built
- 1962
- 63 years old, rebuilt 1997
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete Continuous
- Length
- 116 ft
- 3 main spans
- Daily traffic
- 8,220
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 51 over Deep River is a concrete continuous stringer/multi-beam or girder carrying SR 51 over Deep River in Lake County, Indiana. It was built in 1962 and reconstructed in 1997, so it is 63 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,220 vehicles a day, roughly 10% of them trucks, projected to reach 13,574 by 2030. The structure is 116 ft (35.3 m) long and 44 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 51 over Deep River built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1997.
What condition is SR 51 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 August 2024.
How much traffic does SR 51 over Deep River carry?
About 8,220 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is SR 51 over Deep River?
The structure is 116 ft (35.3 m) long with a longest span of 36 ft (10.9 m) and a deck 44 ft wide.
Who owns SR 51 over Deep River?
It is owned by the State Highway Agency.