TR 531A over FAI 172
GoodAdams County, Illinois · 3.6MI N I172/IL57 · Structure no. 001006000000000
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 334 ft
- 2 main spans
- Daily traffic
- 175
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
TR 531A over FAI 172 is a steel continuous stringer/multi-beam or girder carrying TR 531A over FAI 172 in Adams County, Illinois. It was built in 1981, so it is 44 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 175 vehicles a day, roughly 15% of them trucks, projected to reach 126 by 2046. The structure is 334 ft (101.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 531A over FAI 172 built?
It was built in 1981, making it 44 years old in 2025.
What condition is TR 531A over FAI 172 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 May 2023.
How much traffic does TR 531A over FAI 172 carry?
About 175 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is TR 531A over FAI 172?
The structure is 334 ft (101.9 m) long with a longest span of 145 ft (44.2 m) and a deck 33 ft wide.
Who owns TR 531A over FAI 172?
It is owned by the State Highway Agency.