FM over Big Minerva Creek
PoorMarshall County, Iowa · 085201505 · Structure no. 000000000244500
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 153 ft
- 3 main spans
- Daily traffic
- 265
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Big Minerva Creek is a steel continuous stringer/multi-beam or girder carrying FM over Big Minerva Creek in Marshall 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 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 265 vehicles a day, roughly 32% of them trucks, projected to reach 265 by 2043. The structure is 153 ft (46.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Big Minerva Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is FM over Big 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 Big Minerva Creek carry?
About 265 vehicles per day (2022 count), of which roughly 32% are trucks.
How long is FM over Big Minerva Creek?
The structure is 153 ft (46.6 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.
Who owns FM over Big Minerva Creek?
It is owned by the County Highway Agency.