FAS-1858 (CH-12) over Dennis Hollow
PoorMonroe County, Illinois · E City Lim Valmeyer · Structure no. 067001400000000
- Built
- 1927
- 98 years old, rebuilt 1990
- Condition
- Poor
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 1,350
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
FAS-1858 (CH-12) over Dennis Hollow is a prestressed concrete box beam or girders - multiple carrying FAS-1858 (CH-12) over Dennis Hollow in Monroe County, Illinois. It was built in 1927 and reconstructed in 1990, so it is 98 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,350 vehicles a day, roughly 6% of them trucks, projected to reach 1,017 by 2046. The structure is 50 ft (15.3 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS-1858 (CH-12) over Dennis Hollow built?
It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1990.
What condition is FAS-1858 (CH-12) over Dennis Hollow in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does FAS-1858 (CH-12) over Dennis Hollow carry?
About 1,350 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is FAS-1858 (CH-12) over Dennis Hollow?
The structure is 50 ft (15.3 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.
Who owns FAS-1858 (CH-12) over Dennis Hollow?
It is owned by the County Highway Agency.