FM 100 160th ST over Boone River
FairHancock County, Iowa · 094260501 · Structure no. 000000000172901
- Built
- 1948
- 77 years old, rebuilt 1987
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 55 ft
- 1 main span
- Daily traffic
- 330
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM 100 160th ST over Boone River is a steel stringer/multi-beam or girder carrying FM 100 160th ST over Boone River in Hancock County, Iowa. It was built in 1948 and reconstructed in 1987, so it is 77 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 5 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 330 vehicles a day, roughly 16% of them trucks, projected to reach 330 by 2043. The structure is 55 ft (16.8 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 100 160th ST over Boone River built?
It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1987.
What condition is FM 100 160th ST over Boone River 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 April 2023.
How much traffic does FM 100 160th ST over Boone River carry?
About 330 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is FM 100 160th ST over Boone River?
The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 32 ft wide.
Who owns FM 100 160th ST over Boone River?
It is owned by the County Highway Agency.