Ill 47 over Buchanan ST
PoorGrundy County, Illinois · Ill 47 in Morris · Structure no. 032008700000000
- Built
- 1978
- 47 years old
- Condition
- Poor
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 122 ft
- 3 main spans
- Daily traffic
- 21,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 47 over Buchanan ST is a steel continuous stringer/multi-beam or girder carrying Ill 47 over Buchanan ST in Grundy County, Illinois. It was built in 1978, so it is 47 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 21,000 vehicles a day, roughly 9% of them trucks, projected to reach 26,040 by 2046. The structure is 122 ft (37.2 m) long and 68 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 | 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 47 over Buchanan ST built?
It was built in 1978, making it 47 years old in 2025.
What condition is Ill 47 over Buchanan ST 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 February 2023.
How much traffic does Ill 47 over Buchanan ST carry?
About 21,000 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Ill 47 over Buchanan ST?
The structure is 122 ft (37.2 m) long with a longest span of 49 ft (14.9 m) and a deck 68 ft wide.
Who owns Ill 47 over Buchanan ST?
It is owned by the State Highway Agency.