I-55 NW Bloomingto over I-74
GoodMcLean County, Illinois · I-55SB over I-74 · Structure no. 057002300000000
- Built
- 1962
- 63 years old, rebuilt 2004
- Condition
- Good
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 179 ft
- 4 main spans
- Daily traffic
- 18,850
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-55 NW Bloomingto over I-74 is a steel continuous stringer/multi-beam or girder carrying I-55 NW Bloomingto over I-74 in McLean County, Illinois. It was built in 1962 and reconstructed in 2004, so it is 63 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 18,850 vehicles a day, roughly 35% of them trucks, projected to reach 18,837 by 2046. The structure is 179 ft (54.5 m) long and 68 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 I-55 NW Bloomingto over I-74 built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2004.
What condition is I-55 NW Bloomingto over I-74 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 February 2025.
How much traffic does I-55 NW Bloomingto over I-74 carry?
About 18,850 vehicles per day (2023 count), of which roughly 35% are trucks.
How long is I-55 NW Bloomingto over I-74?
The structure is 179 ft (54.5 m) long with a longest span of 52 ft (15.9 m) and a deck 68 ft wide.
Who owns I-55 NW Bloomingto over I-74?
It is owned by the State Highway Agency.