FM over Deep River
PoorPosted for loadPoweshiek County, Iowa · 079143207 · Structure no. 000000000292550
- Built
- 1949
- 76 years old
- Condition
- Poor
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 42 ft
- 1 main span
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Deep River is a steel stringer/multi-beam or girder carrying FM over Deep River in Poweshiek County, Iowa. It was built in 1949, so it is 76 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. Its operating status is: posted for load restriction.
It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 42 ft (12.8 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Deep River built?
It was built in 1949, making it 76 years old in 2025.
What condition is FM over Deep 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 December 2023.
How much traffic does FM over Deep River carry?
About 30 vehicles per day (2022 count).
How long is FM over Deep River?
The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 19 ft wide.
Who owns FM over Deep River?
It is owned by the County Highway Agency.