NB I-29 over 155th ST
GoodFremont County, Iowa · At Jct. SR J-24 · Structure no. 000000000600149
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected December 2023
- Type
- Slab
- Concrete Continuous
- Length
- 153 ft
- 3 main spans
- Daily traffic
- 6,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NB I-29 over 155th ST is a concrete continuous slab carrying NB I-29 over 155th ST in Fremont County, Iowa. It was built in 2009, so it is 16 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 6,000 vehicles a day, roughly 34% of them trucks, projected to reach 6,000 by 2043. The structure is 153 ft (46.6 m) long and 43 ft wide.
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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NB I-29 over 155th ST built?
It was built in 2009, making it 16 years old in 2025.
What condition is NB I-29 over 155th ST 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 December 2023.
How much traffic does NB I-29 over 155th ST carry?
About 6,000 vehicles per day (2022 count), of which roughly 34% are trucks.
How long is NB I-29 over 155th ST?
The structure is 153 ft (46.6 m) long with a longest span of 59 ft (18 m) and a deck 43 ft wide.
Who owns NB I-29 over 155th ST?
It is owned by the State Highway Agency.