Il 10 over Duff Branch
GoodLogan County, Illinois · 2.2M E Il 121 · Structure no. 054203100000000
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 3 main spans
- Daily traffic
- 2,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 10 over Duff Branch is a concrete continuous culvert carrying Il 10 over Duff Branch in Logan County, Illinois. It was built in 1998, so it is 27 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 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 2,200 vehicles a day, roughly 11% of them trucks, projected to reach 2,625 by 2046. The structure is 26 ft (7.8 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 10 over Duff Branch built?
It was built in 1998, making it 27 years old in 2025.
What condition is Il 10 over Duff Branch 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 May 2024.
How much traffic does Il 10 over Duff Branch carry?
About 2,200 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Il 10 over Duff Branch?
The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m).
Who owns Il 10 over Duff Branch?
It is owned by the State Highway Agency.