Local over Twelve Mile Creek
PoorPosted for loadUnion County, Iowa · 073300701 · Structure no. 000000000326711
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected October 2022
- Type
- Slab
- Wood or Timber
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 62
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local over Twelve Mile Creek is a wood or timber slab carrying Local over Twelve Mile Creek in Union County, Iowa. It was built in 1979, so it is 46 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 62 vehicles a day, projected to reach 62 by 2043. The structure is 78 ft (23.8 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Local over Twelve Mile Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Local over 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 October 2022.
How much traffic does Local over Twelve Mile Creek carry?
About 62 vehicles per day (2022 count).
How long is Local over Twelve Mile Creek?
The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.
Who owns Local over Twelve Mile Creek?
It is owned by the County Highway Agency.