FM over Little Tarkio Trib
PoorClosed to trafficMontgomery County, Iowa · 071370702 · Structure no. 000000000254430
- Built
- 1947
- 78 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 38 ft
- 1 main span
- Daily traffic
- 60
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Little Tarkio Trib is a steel stringer/multi-beam or girder carrying FM over Little Tarkio Trib in Montgomery County, Iowa. It was built in 1947, so it is 78 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. Its operating status is: closed to all traffic.
It carries about 60 vehicles a day, projected to reach 60 by 2044. The structure is 38 ft (11.6 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Little Tarkio Trib built?
It was built in 1947, making it 78 years old in 2025.
What condition is FM over Little Tarkio Trib 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 May 2024.
How much traffic does FM over Little Tarkio Trib carry?
About 60 vehicles per day (2021 count).
How long is FM over Little Tarkio Trib?
The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 21 ft wide.
Who owns FM over Little Tarkio Trib?
It is owned by the County Highway Agency.