SR 18 over Grass Run Creek
GoodCass County, Indiana · 01.90 E SR 29 · Structure no. 004690
- Built
- 1938
- 87 years old
- Condition
- Good
- inspected July 2024
- Type
- Arch - Deck
- Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 995
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 over Grass Run Creek is a concrete arch - deck carrying SR 18 over Grass Run Creek in Cass County, Indiana. It was built in 1938, so it is 87 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 995 vehicles a day, roughly 29% of them trucks, projected to reach 2,139 by 2030. The structure is 27 ft (8.2 m) long and 34 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 18 over Grass Run Creek built?
It was built in 1938, making it 87 years old in 2025.
What condition is SR 18 over Grass Run Creek 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 July 2024.
How much traffic does SR 18 over Grass Run Creek carry?
About 995 vehicles per day (2020 count), of which roughly 29% are trucks.
How long is SR 18 over Grass Run Creek?
The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.
Who owns SR 18 over Grass Run Creek?
It is owned by the State Highway Agency.