SR 121 over Sillimans Creek
GoodFranklin County, Indiana · 01.10 N US 52 · Structure no. 079640
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected December 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 1,074
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 121 over Sillimans Creek is a concrete culvert carrying SR 121 over Sillimans Creek in Franklin County, Indiana. It was built in 2011, so it is 14 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 1,074 vehicles a day, roughly 6% of them trucks, projected to reach 1,831 by 2030. The structure is 22 ft (6.7 m) long and 40 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 121 over Sillimans Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is SR 121 over Sillimans 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 December 2024.
How much traffic does SR 121 over Sillimans Creek carry?
About 1,074 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is SR 121 over Sillimans Creek?
The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 40 ft wide.
Who owns SR 121 over Sillimans Creek?
It is owned by the State Highway Agency.