CO H-45 over I-35
FairClarke County, Iowa · At JCT of H-45 · Structure no. 000000000020130
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 219 ft
- 4 main spans
- Daily traffic
- 368
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
CO H-45 over I-35 is a prestressed concrete stringer/multi-beam or girder carrying CO H-45 over I-35 in Clarke County, Iowa. It was built in 1968, so it is 57 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 368 vehicles a day, roughly 10% of them trucks, projected to reach 368 by 2044. The structure is 219 ft (66.8 m) long and 31 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CO H-45 over I-35 built?
It was built in 1968, making it 57 years old in 2025.
What condition is CO H-45 over I-35 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 May 2024.
How much traffic does CO H-45 over I-35 carry?
About 368 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is CO H-45 over I-35?
The structure is 219 ft (66.8 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.
Who owns CO H-45 over I-35?
It is owned by the State Highway Agency.