Il 57 over Mill Creek
PoorAdams County, Illinois · At Marblehead · Structure no. 001001500000000
- Built
- 1932
- 93 years old, rebuilt 1972
- Condition
- Poor
- inspected February 2024
- Type
- Tee Beam
- Concrete
- Length
- 244 ft
- 4 main spans
- Daily traffic
- 4,450
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 57 over Mill Creek is a concrete tee beam carrying Il 57 over Mill Creek in Adams County, Illinois. It was built in 1932 and reconstructed in 1972, so it is 93 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 4,450 vehicles a day, roughly 16% of them trucks, projected to reach 4,192 by 2046. The structure is 244 ft (74.3 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Il 57 over Mill Creek built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1972.
What condition is Il 57 over Mill Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.
How much traffic does Il 57 over Mill Creek carry?
About 4,450 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is Il 57 over Mill Creek?
The structure is 244 ft (74.3 m) long with a longest span of 54 ft (16.5 m) and a deck 37 ft wide.
Who owns Il 57 over Mill Creek?
It is owned by the State Highway Agency.