SR 18 over Tippecanoe River
GoodCarroll County, Indiana · 02.06 W US 421 · Structure no. 004660
- Built
- 1980
- 45 years old, rebuilt 2015
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 396 ft
- 5 main spans
- Daily traffic
- 2,208
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 over Tippecanoe River is a steel continuous stringer/multi-beam or girder carrying SR 18 over Tippecanoe River in Carroll County, Indiana. It was built in 1980 and reconstructed in 2015, so it is 45 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 2,208 vehicles a day, roughly 16% of them trucks, projected to reach 5,159 by 2030. The structure is 396 ft (120.8 m) long and 46 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 18 over Tippecanoe River built?
It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2015.
What condition is SR 18 over Tippecanoe River 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 Tippecanoe River carry?
About 2,208 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is SR 18 over Tippecanoe River?
The structure is 396 ft (120.8 m) long with a longest span of 93 ft (28.3 m) and a deck 46 ft wide.
Who owns SR 18 over Tippecanoe River?
It is owned by the State Highway Agency.