Il 121 over Fork Salt Creek
GoodLogan County, Illinois · 2.7MI N Mt Pulaski · Structure no. 054203000000000
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 55 ft
- 5 main spans
- Daily traffic
- 3,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 121 over Fork Salt Creek is a concrete culvert carrying Il 121 over Fork Salt Creek in Logan County, Illinois. It was built in 1991, so it is 34 years old, younger 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 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 3,500 vehicles a day, roughly 19% of them trucks, projected to reach 3,728 by 2046. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 19.3 mi (31 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 Il 121 over Fork Salt Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is Il 121 over Fork Salt 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 September 2024.
How much traffic does Il 121 over Fork Salt Creek carry?
About 3,500 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is Il 121 over Fork Salt Creek?
The structure is 55 ft (16.8 m) long with a longest span of 10 ft (3 m).
Who owns Il 121 over Fork Salt Creek?
It is owned by the State Highway Agency.