Mill RD over Coon Creek
FairWhiteside County, Illinois · 1 MI E Prophetstown · Structure no. 098306100000000
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 325
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Mill RD over Coon Creek is a prestressed concrete box beam or girders - multiple carrying Mill RD over Coon Creek in Whiteside County, Illinois. It was built in 1984, so it is 41 years old, younger 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 325 vehicles a day, roughly 14% of them trucks, projected to reach 328 by 2046. The structure is 63 ft (19.1 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill RD over Coon Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is Mill RD over Coon Creek 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 September 2024.
How much traffic does Mill RD over Coon Creek carry?
About 325 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is Mill RD over Coon Creek?
The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.2 m) and a deck 28 ft wide.
Who owns Mill RD over Coon Creek?
It is owned by the Town or Township Highway Agency.