SR 18 over Shinn Ditch
GoodBlackford County, Indiana · 07.00 E SR 3 · Structure no. 076792
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 1,561
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 over Shinn Ditch is a concrete culvert carrying SR 18 over Shinn Ditch in Blackford County, Indiana. It was built in 2009, so it is 16 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 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 1,561 vehicles a day, roughly 31% of them trucks, projected to reach 3,736 by 2034. The structure is 30 ft (9 m) long and 54 ft wide. If it were closed, the detour would be 13.7 mi (22 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 18 over Shinn Ditch built?
It was built in 2009, making it 16 years old in 2025.
What condition is SR 18 over Shinn 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 November 2023.
How much traffic does SR 18 over Shinn Ditch carry?
About 1,561 vehicles per day (2020 count), of which roughly 31% are trucks.
How long is SR 18 over Shinn Ditch?
The structure is 30 ft (9 m) long with a longest span of 28 ft (8.4 m) and a deck 54 ft wide.
Who owns SR 18 over Shinn Ditch?
It is owned by the State Highway Agency.