Il 143 over NSRR
GoodMadison County, Illinois · Alton East of Clark · Structure no. 060025600000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 200 ft
- 3 main spans
- Daily traffic
- 9,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 143 over NSRR is a steel continuous stringer/multi-beam or girder carrying Il 143 over NSRR in Madison County, Illinois. It was built in 1995, so it is 30 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 9,300 vehicles a day, roughly 8% of them trucks, projected to reach 10,540 by 2046. The structure is 200 ft (60.9 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 143 over NSRR built?
It was built in 1995, making it 30 years old in 2025.
What condition is Il 143 over NSRR 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 143 over NSRR carry?
About 9,300 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Il 143 over NSRR?
The structure is 200 ft (60.9 m) long with a longest span of 78 ft (23.8 m) and a deck 89 ft wide.
Who owns Il 143 over NSRR?
It is owned by the State Highway Agency.