Lisbon Boulevard over US 30
GoodLinn County, Iowa · 3.5 Mi. E US30/IA1 Intchg · Structure no. 000000000700550
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 235 ft
- 2 main spans
- Daily traffic
- 1,208
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Lisbon Boulevard over US 30 is a prestressed concrete stringer/multi-beam or girder carrying Lisbon Boulevard over US 30 in Linn County, Iowa. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,208 vehicles a day, roughly 6% of them trucks, projected to reach 1,208 by 2044. The structure is 235 ft (71.6 m) long and 63 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lisbon Boulevard over US 30 built?
It was built in 2019, making it 6 years old in 2025.
What condition is Lisbon Boulevard over US 30 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 April 2024.
How much traffic does Lisbon Boulevard over US 30 carry?
About 1,208 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Lisbon Boulevard over US 30?
The structure is 235 ft (71.6 m) long with a longest span of 116 ft (35.4 m) and a deck 63 ft wide.
Who owns Lisbon Boulevard over US 30?
It is owned by the State Highway Agency.