TR 483 over Silver Creek
FairMacoupin County, Illinois · 3.5 M E Staunton · Structure no. 059322300000000
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected January 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 250
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 483 over Silver Creek is a prestressed concrete box beam or girders - multiple carrying TR 483 over Silver Creek in Macoupin County, Illinois. It was built in 1956, so it is 69 years old, older 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 5 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 250 vehicles a day, roughly 13% of them trucks, projected to reach 253 by 2046. The structure is 35 ft (10.7 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 TR 483 over Silver Creek built?
It was built in 1956, making it 69 years old in 2025.
What condition is TR 483 over Silver Creek 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 January 2023.
How much traffic does TR 483 over Silver Creek carry?
About 250 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is TR 483 over Silver Creek?
The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 21 ft wide.
Who owns TR 483 over Silver Creek?
It is owned by the Town or Township Highway Agency.