TR 21 over De Arcy Creek
FairJersey County, Illinois · 2.8 M N Jerseyville · Structure no. 042400600000000
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 150
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 21 over De Arcy Creek is a prestressed concrete box beam or girders - multiple carrying TR 21 over De Arcy Creek in Jersey County, Illinois. It was built in 1985, so it is 40 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 150 vehicles a day, roughly 23% of them trucks, projected to reach 101 by 2046. The structure is 111 ft (33.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 21 over De Arcy Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is TR 21 over De Arcy 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 June 2023.
How much traffic does TR 21 over De Arcy Creek carry?
About 150 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is TR 21 over De Arcy Creek?
The structure is 111 ft (33.8 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.
Who owns TR 21 over De Arcy Creek?
It is owned by the Town or Township Highway Agency.