FM over Cedar River
PoorBenton County, Iowa · 086100603 · Structure no. 000000000073140
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,038 ft
- 11 main spans
- Daily traffic
- 324
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Cedar River is a steel continuous stringer/multi-beam or girder carrying FM over Cedar River in Benton County, Iowa. It was built in 1968, so it is 57 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 3 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 324 vehicles a day, roughly 19% of them trucks, projected to reach 324 by 2044. The structure is 1,038 ft (316.4 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Cedar River built?
It was built in 1968, making it 57 years old in 2025.
What condition is FM over Cedar 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 April 2024.
How much traffic does FM over Cedar River carry?
About 324 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is FM over Cedar River?
The structure is 1,038 ft (316.4 m) long with a longest span of 97 ft (29.6 m) and a deck 30 ft wide.
Who owns FM over Cedar River?
It is owned by the County Highway Agency.