Jackson ST over Des Plaines River
PoorPosted for loadWill County, Illinois · 1.5 MI No. of I-80 · Structure no. 099023900000000
- Built
- 1932
- 93 years old, rebuilt 1985
- Condition
- Poor
- inspected June 2024
- Type
- Movable - Bascule
- Steel
- Length
- 375 ft
- 1 main span
- Daily traffic
- 2,550
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Jackson ST over Des Plaines River is a steel movable - bascule carrying Jackson ST over Des Plaines River in Will County, Illinois. It was built in 1932 and reconstructed in 1985, so it is 93 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 2,550 vehicles a day, roughly 5% of them trucks, projected to reach 4,320 by 2046. The structure is 375 ft (114.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Jackson ST over Des Plaines River built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1985.
What condition is Jackson ST over Des Plaines River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Jackson ST over Des Plaines River carry?
About 2,550 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Jackson ST over Des Plaines River?
The structure is 375 ft (114.3 m) long with a longest span of 166 ft (50.6 m) and a deck 40 ft wide.
Who owns Jackson ST over Des Plaines River?
It is owned by the State Highway Agency.