Ill 29 over Senechwine CR
FairPeoria County, Illinois · N Edge Chillicothe · Structure no. 072001400000000
- Built
- 1939
- 86 years old, rebuilt 1991
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 220 ft
- 3 main spans
- Daily traffic
- 6,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 29 over Senechwine CR is a steel continuous stringer/multi-beam or girder carrying Ill 29 over Senechwine CR in Peoria County, Illinois. It was built in 1939 and reconstructed in 1991, so it is 86 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 6,400 vehicles a day, roughly 12% of them trucks, projected to reach 8,232 by 2046. The structure is 220 ft (67.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 29 over Senechwine CR built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1991.
What condition is Ill 29 over Senechwine CR 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 October 2024.
How much traffic does Ill 29 over Senechwine CR carry?
About 6,400 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Ill 29 over Senechwine CR?
The structure is 220 ft (67.1 m) long with a longest span of 84 ft (25.6 m) and a deck 43 ft wide.
Who owns Ill 29 over Senechwine CR?
It is owned by the State Highway Agency.