I-55 Busn Loop over Bunn Street
GoodMcLean County, Illinois · 0.58 MI E of US 51 · Structure no. 057006500000000
- Built
- 1940
- 85 years old
- Condition
- Good
- inspected April 2024
- Type
- Tee Beam
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 25,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-55 Busn Loop over Bunn Street is a concrete tee beam carrying I-55 Busn Loop over Bunn Street in McLean County, Illinois. It was built in 1940, so it is 85 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 25,000 vehicles a day, roughly 5% of them trucks, projected to reach 23,533 by 2046. The structure is 32 ft (9.9 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 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 I-55 Busn Loop over Bunn Street built?
It was built in 1940, making it 85 years old in 2025.
What condition is I-55 Busn Loop over Bunn Street 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 April 2024.
How much traffic does I-55 Busn Loop over Bunn Street carry?
About 25,000 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is I-55 Busn Loop over Bunn Street?
The structure is 32 ft (9.9 m) long with a longest span of 31 ft (9.5 m) and a deck 88 ft wide.
Who owns I-55 Busn Loop over Bunn Street?
It is owned by the State Highway Agency.