US 151 SB over Maquoketa River
GoodJones County, Iowa · 1.1 Mi. N of Jct. Ia 38 · Structure no. 000000000608320
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,073 ft
- 5 main spans
- Daily traffic
- 4,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 151 SB over Maquoketa River is a steel continuous stringer/multi-beam or girder carrying US 151 SB over Maquoketa River in Jones County, Iowa. It was built in 2003, so it is 22 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 4,500 vehicles a day, roughly 18% of them trucks, projected to reach 4,500 by 2044. The structure is 1,073 ft (327.1 m) long and 42 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 151 SB over Maquoketa River built?
It was built in 2003, making it 22 years old in 2025.
What condition is US 151 SB over Maquoketa 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 July 2024.
How much traffic does US 151 SB over Maquoketa River carry?
About 4,500 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is US 151 SB over Maquoketa River?
The structure is 1,073 ft (327.1 m) long with a longest span of 243 ft (74.1 m) and a deck 42 ft wide.
Who owns US 151 SB over Maquoketa River?
It is owned by the State Highway Agency.