TR-179 over Bonpas Creek
GoodRichland County, Illinois · 1.5 MI S Claremont · Structure no. 080312300000000
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 104 ft
- 3 main spans
- Daily traffic
- 200
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-179 over Bonpas Creek is a prestressed concrete box beam or girders - multiple carrying TR-179 over Bonpas Creek in Richland County, Illinois. It was built in 1978, so it is 47 years old, older 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 152 by 2046. The structure is 104 ft (31.7 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-179 over Bonpas Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is TR-179 over Bonpas Creek 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 March 2023.
How much traffic does TR-179 over Bonpas Creek carry?
About 200 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is TR-179 over Bonpas Creek?
The structure is 104 ft (31.7 m) long with a longest span of 46 ft (14 m) and a deck 21 ft wide.
Who owns TR-179 over Bonpas Creek?
It is owned by the Town or Township Highway Agency.