Ill 29 over Ill River Trib
FairPutnam County, Illinois · 3.17 MI N of Ill 18 · Structure no. 078000500000000
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 3,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 29 over Ill River Trib is a concrete slab carrying Ill 29 over Ill River Trib in Putnam County, Illinois. It was built in 1960, so it is 65 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 3,200 vehicles a day, roughly 15% of them trucks, projected to reach 3,016 by 2046. The structure is 30 ft (9.1 m) long and 44 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Ill River Trib built?
It was built in 1960, making it 65 years old in 2025.
What condition is Ill 29 over Ill River Trib 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 March 2024.
How much traffic does Ill 29 over Ill River Trib carry?
About 3,200 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is Ill 29 over Ill River Trib?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 44 ft wide.
Who owns Ill 29 over Ill River Trib?
It is owned by the State Highway Agency.