I-55 (sb) over Brush Creek
GoodSangamon County, Illinois · .7MI S Il 104 Intchg · Structure no. 084010800000000
- Built
- 1972
- 53 years old, rebuilt 1979
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 160 ft
- 3 main spans
- Daily traffic
- 15,550
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-55 (sb) over Brush Creek is a steel continuous stringer/multi-beam or girder carrying I-55 (sb) over Brush Creek in Sangamon County, Illinois. It was built in 1972 and reconstructed in 1979, so it is 53 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 15,550 vehicles a day, roughly 28% of them trucks, projected to reach 16,463 by 2046. The structure is 160 ft (48.7 m) long and 44 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-55 (sb) over Brush Creek built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1979.
What condition is I-55 (sb) over Brush 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 I-55 (sb) over Brush Creek carry?
About 15,550 vehicles per day (2023 count), of which roughly 28% are trucks.
How long is I-55 (sb) over Brush Creek?
The structure is 160 ft (48.7 m) long with a longest span of 56 ft (17.2 m) and a deck 44 ft wide.
Who owns I-55 (sb) over Brush Creek?
It is owned by the State Highway Agency.