CR 300S over Ludington Ditch
PoorPorter County, Indiana · 00.40 E CR 500 W · Structure no. 6400064
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 340
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
CR 300S over Ludington Ditch is a prestressed concrete box beam or girders - multiple carrying CR 300S over Ludington Ditch in Porter County, Indiana. It was built in 1972, so it is 53 years old, older than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 340 vehicles a day, roughly 6% of them trucks, projected to reach 640 by 2038. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR 300S over Ludington Ditch built?
It was built in 1972, making it 53 years old in 2025.
What condition is CR 300S over Ludington Ditch in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does CR 300S over Ludington Ditch carry?
About 340 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is CR 300S over Ludington Ditch?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.
Who owns CR 300S over Ludington Ditch?
It is owned by the County Highway Agency.