FM over Branch Twelve Mile Creek
PoorTama County, Iowa · 086141409 · Structure no. 000000000320340
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 102 ft
- 3 main spans
- Daily traffic
- 196
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Branch Twelve Mile Creek is a concrete continuous slab carrying FM over Branch Twelve Mile Creek in Tama 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 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 196 vehicles a day, roughly 17% of them trucks, projected to reach 196 by 2044. The structure is 102 ft (31.1 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 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 Branch Twelve Mile Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is FM over Branch Twelve Mile 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 September 2024.
How much traffic does FM over Branch Twelve Mile Creek carry?
About 196 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is FM over Branch Twelve Mile Creek?
The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 30 ft wide.
Who owns FM over Branch Twelve Mile Creek?
It is owned by the County Highway Agency.