First ST over North River
GoodWarren County, Iowa · 077230301 · Structure no. 000000000000950
- Built
- 1955
- 70 years old, rebuilt 2003
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 304 ft
- 3 main spans
- Daily traffic
- 1,649
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
First ST over North River is a steel continuous stringer/multi-beam or girder carrying First ST over North River in Warren County, Iowa. It was built in 1955 and reconstructed in 2003, so it is 70 years old, older 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 1,649 vehicles a day, roughly 4% of them trucks, projected to reach 1,649 by 2044. The structure is 304 ft (92.7 m) long and 46 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was First ST over North River built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2003.
What condition is First ST 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 First ST over North River carry?
About 1,649 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is First ST over North River?
The structure is 304 ft (92.7 m) long with a longest span of 117 ft (35.7 m) and a deck 46 ft wide.
Who owns First ST over North River?
It is owned by the City or Municipal Highway Agency.