Stamper Ln/ Mss 11 over Rocky Fork
GoodMadison County, Illinois · 1MI NW Alton · Structure no. 060330300000000
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Steel
- Length
- 28 ft
- 2 main spans
- Daily traffic
- 2,150
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Stamper Ln/ Mss 11 over Rocky Fork is a steel culvert carrying Stamper Ln/ Mss 11 over Rocky Fork in Madison County, Illinois. It was built in 1967, so it is 58 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 2,150 vehicles a day, roughly 3% of them trucks, projected to reach 2,301 by 2046. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stamper Ln/ Mss 11 over Rocky Fork built?
It was built in 1967, making it 58 years old in 2025.
What condition is Stamper Ln/ Mss 11 over Rocky Fork 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 January 2024.
How much traffic does Stamper Ln/ Mss 11 over Rocky Fork carry?
About 2,150 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Stamper Ln/ Mss 11 over Rocky Fork?
The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.8 m).
Who owns Stamper Ln/ Mss 11 over Rocky Fork?
It is owned by the City or Municipal Highway Agency.