Ill 13 over Powder Mill Creek
GoodSt. Clair County, Illinois · 1 M E Centreville · Structure no. 082011400000000
- Built
- 1929
- 96 years old, rebuilt 1986
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 3,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 13 over Powder Mill Creek is a concrete slab carrying Ill 13 over Powder Mill Creek in St. Clair County, Illinois. It was built in 1929 and reconstructed in 1986, so it is 96 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 3,250 vehicles a day, roughly 6% of them trucks, projected to reach 3,586 by 2046. The structure is 32 ft (9.8 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 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 13 over Powder Mill Creek built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1986.
What condition is Ill 13 over Powder Mill 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 October 2024.
How much traffic does Ill 13 over Powder Mill Creek carry?
About 3,250 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Ill 13 over Powder Mill Creek?
The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.5 m) and a deck 33 ft wide.
Who owns Ill 13 over Powder Mill Creek?
It is owned by the State Highway Agency.