T-53 (s Ave) over US 20
GoodGrundy County, Iowa · 2.0 Mi. W of SR T55 · Structure no. 000000000607255
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 234 ft
- 2 main spans
- Daily traffic
- 33
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
T-53 (s Ave) over US 20 is a prestressed concrete stringer/multi-beam or girder carrying T-53 (s Ave) over US 20 in Grundy County, Iowa. It was built in 1999, so it is 26 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 33 vehicles a day, projected to reach 33 by 2043. The structure is 234 ft (71.3 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-53 (s Ave) over US 20 built?
It was built in 1999, making it 26 years old in 2025.
What condition is T-53 (s 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 March 2023.
How much traffic does T-53 (s Ave) over US 20 carry?
About 33 vehicles per day (2022 count).
How long is T-53 (s Ave) over US 20?
The structure is 234 ft (71.3 m) long with a longest span of 121 ft (36.9 m) and a deck 33 ft wide.
Who owns T-53 (s Ave) over US 20?
It is owned by the State Highway Agency.