TR 99 over Branch of Piasa Ck
FairJersey County, Illinois · 1 MI S RTE 16 · Structure no. 042310200000000
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 81 ft
- 2 main spans
- Daily traffic
- 75
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 99 over Branch of Piasa Ck is a prestressed concrete box beam or girders - multiple carrying TR 99 over Branch of Piasa Ck in Jersey County, Illinois. It was built in 1987, so it is 38 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 75 vehicles a day, roughly 17% of them trucks, projected to reach 76 by 2046. The structure is 81 ft (24.7 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
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 99 over Branch of Piasa Ck built?
It was built in 1987, making it 38 years old in 2025.
What condition is TR 99 over Branch of Piasa 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 February 2023.
How much traffic does TR 99 over Branch of Piasa Ck carry?
About 75 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is TR 99 over Branch of Piasa Ck?
The structure is 81 ft (24.7 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.
Who owns TR 99 over Branch of Piasa Ck?
It is owned by the Town or Township Highway Agency.