Doyle ST over Interstate 35
GoodClarke County, Iowa · 2.0 Mi. S of SR H45 · Structure no. 000000000020120
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 219 ft
- 4 main spans
- Daily traffic
- 26
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Doyle ST over Interstate 35 is a prestressed concrete stringer/multi-beam or girder carrying Doyle ST over Interstate 35 in Clarke County, Iowa. It was built in 1969, so it is 56 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 219 ft (66.8 m) long and 31 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Doyle ST over Interstate 35 built?
It was built in 1969, making it 56 years old in 2025.
What condition is Doyle ST over Interstate 35 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 August 2023.
How much traffic does Doyle ST over Interstate 35 carry?
About 26 vehicles per day (2022 count).
How long is Doyle ST over Interstate 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 Doyle ST over Interstate 35?
It is owned by the State Highway Agency.