FM over Minerva Creek
PoorMarshall County, Iowa · 084200203 · Structure no. 000000000243730
- Built
- 1957
- 68 years old
- Condition
- Poor
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 88 ft
- 2 main spans
- Daily traffic
- 59
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Minerva Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Minerva Creek in Marshall County, Iowa. It was built in 1957, so it is 68 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 59 vehicles a day, projected to reach 59 by 2043. The structure is 88 ft (26.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Minerva Creek built?
It was built in 1957, making it 68 years old in 2025.
What condition is FM over Minerva Creek 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 November 2023.
How much traffic does FM over Minerva Creek carry?
About 59 vehicles per day (2022 count).
How long is FM over Minerva Creek?
The structure is 88 ft (26.8 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.
Who owns FM over Minerva Creek?
It is owned by the County Highway Agency.