173rd Avenue over M J Brown Ditch
GoodLake County, Indiana · 00.50 E. of Grand · Structure no. 4500007
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 96 ft
- 3 main spans
- Daily traffic
- 138
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
173rd Avenue over M J Brown Ditch is a prestressed concrete continuous box beam or girders - single or spread carrying 173rd Avenue over M J Brown Ditch in Lake County, Indiana. It was built in 2003, so it is 22 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 138 vehicles a day, roughly 2% of them trucks, projected to reach 183 by 2040. The structure is 96 ft (29.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| 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 173rd Avenue over M J Brown Ditch built?
It was built in 2003, making it 22 years old in 2025.
What condition is 173rd Avenue over M J Brown Ditch 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 173rd Avenue over M J Brown Ditch carry?
About 138 vehicles per day (2012 count), of which roughly 2% are trucks.
How long is 173rd Avenue over M J Brown Ditch?
The structure is 96 ft (29.2 m) long with a longest span of 33 ft (10 m) and a deck 33 ft wide.
Who owns 173rd Avenue over M J Brown Ditch?
It is owned by the County Highway Agency.