Low. Marine RD/TR2 over Silver Ck.
FairMadison County, Illinois · 3 Mi. NE Troy · Structure no. 060329400000000
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 142 ft
- 3 main spans
- Daily traffic
- 475
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Low. Marine RD/TR2 over Silver Ck. is a prestressed concrete box beam or girders - multiple carrying Low. Marine RD/TR2 over Silver Ck. in Madison County, Illinois. It was built in 1991, so it is 34 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 475 vehicles a day, roughly 5% of them trucks, projected to reach 508 by 2046. The structure is 142 ft (43.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Low. Marine RD/TR2 over Silver Ck. built?
It was built in 1991, making it 34 years old in 2025.
What condition is Low. Marine RD/TR2 over Silver Ck. in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does Low. Marine RD/TR2 over Silver Ck. carry?
About 475 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Low. Marine RD/TR2 over Silver Ck.?
The structure is 142 ft (43.2 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.
Who owns Low. Marine RD/TR2 over Silver Ck.?
It is owned by the Town or Township Highway Agency.