FAI 74 & 280 WB over Mosquito Creek
GoodHenry County, Illinois · 3.8 MI W JCT FAI 80 · Structure no. 037000200000000
- Built
- 1961
- 64 years old, rebuilt 1985
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 7,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FAI 74 & 280 WB over Mosquito Creek is a steel continuous stringer/multi-beam or girder carrying FAI 74 & 280 WB over Mosquito Creek in Henry County, Illinois. It was built in 1961 and reconstructed in 1985, so it is 64 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 7,500 vehicles a day, roughly 33% of them trucks, projected to reach 8,802 by 2046. The structure is 103 ft (31.4 m) long and 43 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAI 74 & 280 WB over Mosquito Creek built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1985.
What condition is FAI 74 & 280 WB over Mosquito 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 September 2023.
How much traffic does FAI 74 & 280 WB over Mosquito Creek carry?
About 7,500 vehicles per day (2023 count), of which roughly 33% are trucks.
How long is FAI 74 & 280 WB over Mosquito Creek?
The structure is 103 ft (31.4 m) long with a longest span of 38 ft (11.6 m) and a deck 43 ft wide.
Who owns FAI 74 & 280 WB over Mosquito Creek?
It is owned by the State Highway Agency.