I 380 SB over D48
GoodBuchanan County, Iowa · At Jct. SR D48 · Structure no. 000000000605455
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 8,550
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 380 SB over D48 is a prestressed concrete stringer/multi-beam or girder carrying I 380 SB over D48 in Buchanan County, Iowa. It was built in 1984, so it is 41 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 8,550 vehicles a day, roughly 27% of them trucks, projected to reach 8,550 by 2042. The structure is 205 ft (62.5 m) long and 43 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 380 SB over D48 built?
It was built in 1984, making it 41 years old in 2025.
What condition is I 380 SB over D48 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 2023.
How much traffic does I 380 SB over D48 carry?
About 8,550 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is I 380 SB over D48?
The structure is 205 ft (62.5 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.
Who owns I 380 SB over D48?
It is owned by the State Highway Agency.