Henley Ave over US 20
GoodBuchanan County, Iowa · 2.5 Mi. W of Jct. Ia 150 · Structure no. 000000000604920
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 257 ft
- 4 main spans
- Daily traffic
- 187
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Henley Ave over US 20 is a prestressed concrete stringer/multi-beam or girder carrying Henley Ave over US 20 in Buchanan County, Iowa. It was built in 1980, so it is 45 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 187 vehicles a day, projected to reach 187 by 2043. The structure is 257 ft (78.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 Henley Ave over US 20 built?
It was built in 1980, making it 45 years old in 2025.
What condition is Henley Ave over US 20 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 October 2023.
How much traffic does Henley Ave over US 20 carry?
About 187 vehicles per day (2022 count).
How long is Henley Ave over US 20?
The structure is 257 ft (78.3 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.
Who owns Henley Ave over US 20?
It is owned by the State Highway Agency.