I 35 SB over SR D25
FairHamilton County, Iowa · At Junction With SR D25 · Structure no. 000000000602540
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 143 ft
- 3 main spans
- Daily traffic
- 7,950
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 35 SB over SR D25 is a concrete continuous slab carrying I 35 SB over SR D25 in Hamilton County, Iowa. It was built in 1974, so it is 51 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 7,950 vehicles a day, roughly 29% of them trucks, projected to reach 7,950 by 2043. The structure is 143 ft (43.6 m) long and 43 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 35 SB over SR D25 built?
It was built in 1974, making it 51 years old in 2025.
What condition is I 35 SB over SR D25 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does I 35 SB over SR D25 carry?
About 7,950 vehicles per day (2022 count), of which roughly 29% are trucks.
How long is I 35 SB over SR D25?
The structure is 143 ft (43.6 m) long with a longest span of 56 ft (17.1 m) and a deck 43 ft wide.
Who owns I 35 SB over SR D25?
It is owned by the State Highway Agency.