Ill 29 over Senachwine Creek
PoorPutnam County, Illinois · 1.25 MI N of Putnam · Structure no. 078000300000000
- Built
- 1962
- 63 years old
- Condition
- Poor
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 3,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 29 over Senachwine Creek is a concrete continuous slab carrying Ill 29 over Senachwine Creek in Putnam County, Illinois. It was built in 1962, so it is 63 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 3,200 vehicles a day, roughly 18% of them trucks, projected to reach 3,068 by 2046. The structure is 119 ft (36.2 m) long and 43 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 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 Ill 29 over Senachwine Creek built?
It was built in 1962, making it 63 years old in 2025.
What condition is Ill 29 over Senachwine Creek 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 August 2024.
How much traffic does Ill 29 over Senachwine Creek carry?
About 3,200 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is Ill 29 over Senachwine Creek?
The structure is 119 ft (36.2 m) long with a longest span of 43 ft (13.2 m) and a deck 43 ft wide.
Who owns Ill 29 over Senachwine Creek?
It is owned by the State Highway Agency.