Trenton Ave over North River
GoodAdair County, Iowa · 1.2 MI S of G15 - Trenton · Structure no. 000000000057641
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 46
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Trenton Ave over North River is a concrete continuous slab carrying Trenton Ave over North River in Adair County, Iowa. It was built in 2016, so it is 9 years old, younger than the Iowa average of 45.5 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 46 vehicles a day, projected to reach 46 by 2043. The structure is 111 ft (33.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Trenton Ave over North River built?
It was built in 2016, making it 9 years old in 2025.
What condition is Trenton Ave over North River 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 May 2024.
How much traffic does Trenton Ave over North River carry?
About 46 vehicles per day (2022 count).
How long is Trenton Ave over North River?
The structure is 111 ft (33.8 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.
Who owns Trenton Ave over North River?
It is owned by the County Highway Agency.