Ill 71 over Brumbach Creek
FairLaSalle County, Illinois · 6.78 MI N of US 6 · Structure no. 050006600000000
- Built
- 1941
- 84 years old, rebuilt 1987
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 126 ft
- 3 main spans
- Daily traffic
- 5,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 71 over Brumbach Creek is a steel continuous stringer/multi-beam or girder carrying Ill 71 over Brumbach Creek in LaSalle County, Illinois. It was built in 1941 and reconstructed in 1987, so it is 84 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 5 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 5,250 vehicles a day, roughly 15% of them trucks, projected to reach 5,757 by 2046. The structure is 126 ft (38.4 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 71 over Brumbach Creek built?
It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1987.
What condition is Ill 71 over Brumbach 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 February 2024.
How much traffic does Ill 71 over Brumbach Creek carry?
About 5,250 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is Ill 71 over Brumbach Creek?
The structure is 126 ft (38.4 m) long with a longest span of 48 ft (14.6 m) and a deck 43 ft wide.
Who owns Ill 71 over Brumbach Creek?
It is owned by the State Highway Agency.