Ill 104 over FAI 172
FairAdams County, Illinois · I-172/IL104 Int · Structure no. 001004700000000
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 269 ft
- 2 main spans
- Daily traffic
- 12,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 104 over FAI 172 is a steel continuous stringer/multi-beam or girder carrying Ill 104 over FAI 172 in Adams County, Illinois. It was built in 1976, so it is 49 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 6 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 12,000 vehicles a day, roughly 5% of them trucks, projected to reach 5,252 by 2046. The structure is 269 ft (82 m) long and 92 ft wide.
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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 104 over FAI 172 built?
It was built in 1976, making it 49 years old in 2025.
What condition is Ill 104 over FAI 172 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 July 2023.
How much traffic does Ill 104 over FAI 172 carry?
About 12,000 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Ill 104 over FAI 172?
The structure is 269 ft (82 m) long with a longest span of 110 ft (33.6 m) and a deck 92 ft wide.
Who owns Ill 104 over FAI 172?
It is owned by the State Highway Agency.