Ill 100 over Otter Creek
GoodJersey County, Illinois · 2.3 M S JCT Ill 16 · Structure no. 042001200000000
- Built
- 1938
- 87 years old, rebuilt 1982
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 273 ft
- 4 main spans
- Daily traffic
- 950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 100 over Otter Creek is a steel continuous stringer/multi-beam or girder carrying Ill 100 over Otter Creek in Jersey County, Illinois. It was built in 1938 and reconstructed in 1982, so it is 87 years old, older than the Illinois average of 45.3 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 950 vehicles a day, roughly 13% of them trucks, projected to reach 960 by 2046. The structure is 273 ft (83.2 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 7 Good | Some minor problems. |
| 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 Ill 100 over Otter Creek built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1982.
What condition is Ill 100 over Otter 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 November 2023.
How much traffic does Ill 100 over Otter Creek carry?
About 950 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Ill 100 over Otter Creek?
The structure is 273 ft (83.2 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.
Who owns Ill 100 over Otter Creek?
It is owned by the State Highway Agency.