Tollman Ave over US 20
GoodHamilton County, Iowa · 1.6 Miles W of JCT I-35 · Structure no. 000000000026620
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 210 ft
- 4 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Tollman Ave over US 20 is a prestressed concrete stringer/multi-beam or girder carrying Tollman Ave over US 20 in Hamilton County, Iowa. It was built in 1967, so it is 58 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 60 vehicles a day, roughly 18% of them trucks, projected to reach 60 by 2042. The structure is 210 ft (64 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 Tollman Ave over US 20 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Tollman 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 June 2023.
How much traffic does Tollman Ave over US 20 carry?
About 60 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is Tollman Ave over US 20?
The structure is 210 ft (64 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.
Who owns Tollman Ave over US 20?
It is owned by the State Highway Agency.