Monticello RD over Trib Boulder CR
FairLinn County, Iowa · 086050901 · Structure no. 000000000222690
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 530
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Monticello RD over Trib Boulder CR is a concrete continuous culvert carrying Monticello RD over Trib Boulder CR in Linn County, Iowa. It was built in 1960, so it is 65 years old, older than the Iowa average of 45.5 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 530 vehicles a day, roughly 16% of them trucks, projected to reach 530 by 2044. The structure is 26 ft (7.9 m) long.
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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Monticello RD over Trib Boulder CR built?
It was built in 1960, making it 65 years old in 2025.
What condition is Monticello RD over Trib Boulder CR 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 Monticello RD over Trib Boulder CR carry?
About 530 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is Monticello RD over Trib Boulder CR?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).
Who owns Monticello RD over Trib Boulder CR?
It is owned by the County Highway Agency.