FAU 9181 Summit Av over Harding Ditch
GoodSt. Clair County, Illinois · 0.7 M E JCT Ill 111 · Structure no. 082013600000000
- Built
- 1957
- 68 years old, rebuilt 2010
- Condition
- Good
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 108 ft
- 3 main spans
- Daily traffic
- 1,900
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
FAU 9181 Summit Av over Harding Ditch is a steel continuous stringer/multi-beam or girder carrying FAU 9181 Summit Av over Harding Ditch in St. Clair County, Illinois. It was built in 1957 and reconstructed in 2010, so it is 68 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,900 vehicles a day, roughly 5% of them trucks, projected to reach 1,818 by 2046. The structure is 108 ft (32.8 m) long and 53 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 FAU 9181 Summit Av over Harding Ditch built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2010.
What condition is FAU 9181 Summit Av over Harding Ditch 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 2022.
How much traffic does FAU 9181 Summit Av over Harding Ditch carry?
About 1,900 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is FAU 9181 Summit Av over Harding Ditch?
The structure is 108 ft (32.8 m) long with a longest span of 44 ft (13.4 m) and a deck 53 ft wide.
Who owns FAU 9181 Summit Av over Harding Ditch?
It is owned by the City or Municipal Highway Agency.