Alpine Rd-Fap 412 over S Br of Keith CR
GoodWinnebago County, Illinois · .3 MI S of State ST · Structure no. 101615900000000
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected August 2021
- Type
- Culvert
- Concrete
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 24,500
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Alpine Rd-Fap 412 over S Br of Keith CR is a concrete culvert carrying Alpine Rd-Fap 412 over S Br of Keith CR in Winnebago County, Illinois. It was built in 2015, so it is 10 years old, younger 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 24,500 vehicles a day, roughly 3% of them trucks, projected to reach 24,644 by 2046. The structure is 29 ft (8.7 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alpine Rd-Fap 412 over S Br of Keith CR built?
It was built in 2015, making it 10 years old in 2025.
What condition is Alpine Rd-Fap 412 over S Br of Keith CR 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 August 2021.
How much traffic does Alpine Rd-Fap 412 over S Br of Keith CR carry?
About 24,500 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Alpine Rd-Fap 412 over S Br of Keith CR?
The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.2 m) and a deck 51 ft wide.
Who owns Alpine Rd-Fap 412 over S Br of Keith CR?
It is owned by the City or Municipal Highway Agency.