Ill 9 over Prairie Creek
FairTazewell County, Illinois · E of I-155 · Structure no. 090006100000000
- Built
- 1928
- 97 years old, rebuilt 2007
- Condition
- Fair
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 2,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 9 over Prairie Creek is a prestressed concrete box beam or girders - multiple carrying Ill 9 over Prairie Creek in Tazewell County, Illinois. It was built in 1928 and reconstructed in 2007, so it is 97 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,700 vehicles a day, roughly 11% of them trucks, projected to reach 3,384 by 2046. The structure is 63 ft (19.2 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 9 over Prairie Creek built?
It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2007.
What condition is Ill 9 over Prairie Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does Ill 9 over Prairie Creek carry?
About 2,700 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Ill 9 over Prairie Creek?
The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.
Who owns Ill 9 over Prairie Creek?
It is owned by the State Highway Agency.