Il 29 over Sangamon River Trib.
GoodSangamon County, Illinois · .9M N Sangamon River · Structure no. 084203800000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 6,950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 29 over Sangamon River Trib. is a concrete continuous culvert carrying Il 29 over Sangamon River Trib. in Sangamon County, Illinois. It was built in 1997, so it is 28 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 6,950 vehicles a day, roughly 2% of them trucks, projected to reach 6,868 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 29 over Sangamon River Trib. built?
It was built in 1997, making it 28 years old in 2025.
What condition is Il 29 over Sangamon River Trib. in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.
How much traffic does Il 29 over Sangamon River Trib. carry?
About 6,950 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Il 29 over Sangamon River Trib.?
The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).
Who owns Il 29 over Sangamon River Trib.?
It is owned by the State Highway Agency.