S Mill Grove Road over Lost Creek
GoodStephenson County, Illinois · 3.0 M SE Pearl City · Structure no. 089322600000000
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 100
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
S Mill Grove Road over Lost Creek is a prestressed concrete box beam or girders - multiple carrying S Mill Grove Road over Lost Creek in Stephenson County, Illinois. It was built in 1979, so it is 46 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 101 by 2046. The structure is 119 ft (36.3 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S Mill Grove Road over Lost Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is S Mill Grove Road over Lost 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 December 2023.
How much traffic does S Mill Grove Road over Lost Creek carry?
About 100 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is S Mill Grove Road over Lost Creek?
The structure is 119 ft (36.3 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.
Who owns S Mill Grove Road over Lost Creek?
It is owned by the Town or Township Highway Agency.