TR 322A over Otter Creek
FairLaSalle County, Illinois · E 19th N 1500 · Structure no. 050318600000000
- Built
- 1934
- 91 years old, rebuilt 1983
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 275
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 322A over Otter Creek is a prestressed concrete box beam or girders - multiple carrying TR 322A over Otter Creek in LaSalle County, Illinois. It was built in 1934 and reconstructed in 1983, so it is 91 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 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 275 vehicles a day, roughly 4% of them trucks, projected to reach 278 by 2046. The structure is 53 ft (16.2 m) long and 24 ft wide.
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 322A over Otter Creek built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1983.
What condition is TR 322A over Otter 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 2024.
How much traffic does TR 322A over Otter Creek carry?
About 275 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is TR 322A over Otter Creek?
The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 24 ft wide.
Who owns TR 322A over Otter Creek?
It is owned by the Town or Township Highway Agency.