FAP-327EB (US-50) over Allison Ditch No 1
PoorLawrence County, Illinois · 2 MI E Airport Int · Structure no. 051002000000000
- Built
- 1957
- 68 years old, rebuilt 2001
- Condition
- Poor
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 201 ft
- 4 main spans
- Daily traffic
- 7,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FAP-327EB (US-50) over Allison Ditch No 1 is a prestressed concrete box beam or girders - multiple carrying FAP-327EB (US-50) over Allison Ditch No 1 in Lawrence County, Illinois. It was built in 1957 and reconstructed in 2001, so it is 68 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.
It carries about 7,200 vehicles a day, roughly 18% of them trucks, projected to reach 4,065 by 2046. The structure is 201 ft (61.3 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 FAP-327EB (US-50) over Allison Ditch No 1 built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2001.
What condition is FAP-327EB (US-50) over Allison Ditch No 1 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 May 2023.
How much traffic does FAP-327EB (US-50) over Allison Ditch No 1 carry?
About 7,200 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is FAP-327EB (US-50) over Allison Ditch No 1?
The structure is 201 ft (61.3 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.
Who owns FAP-327EB (US-50) over Allison Ditch No 1?
It is owned by the State Highway Agency.