FM over Skunk River
PoorHamilton County, Iowa · 086242503 · Structure no. 000000000170861
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 151 ft
- 3 main spans
- Daily traffic
- 698
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Skunk River is a prestressed concrete stringer/multi-beam or girder carrying FM over Skunk River in Hamilton County, Iowa. It was built in 1974, so it is 51 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 698 vehicles a day, roughly 16% of them trucks, projected to reach 698 by 2043. The structure is 151 ft (46 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Skunk River built?
It was built in 1974, making it 51 years old in 2025.
What condition is FM over Skunk River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.
How much traffic does FM over Skunk River carry?
About 698 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is FM over Skunk River?
The structure is 151 ft (46 m) long with a longest span of 56 ft (17.1 m) and a deck 32 ft wide.
Who owns FM over Skunk River?
It is owned by the County Highway Agency.