Iris RD over Willow Br
FairNewton County, Missouri · S 35 T 26 N R 33 W · Structure no. 18642
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected January 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 600
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Iris RD over Willow Br is a concrete slab carrying Iris RD over Willow Br in Newton County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 930 by 2044. The structure is 30 ft (9.1 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Iris RD over Willow Br built?
It was built in 1999, making it 26 years old in 2025.
What condition is Iris RD over Willow Br 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 January 2024.
How much traffic does Iris RD over Willow Br carry?
About 600 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Iris RD over Willow Br?
The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 23 ft wide.
Who owns Iris RD over Willow Br?
It is owned by the County Highway Agency.