Local over Br Nishnabotna
PoorAudubon County, Iowa · 081343001 · Structure no. 000000000069320
- Built
- 1959
- 66 years old, rebuilt 1996
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 23 ft
- 1 main span
- Daily traffic
- 26
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local over Br Nishnabotna is a wood or timber stringer/multi-beam or girder carrying Local over Br Nishnabotna in Audubon County, Iowa. It was built in 1959 and reconstructed in 1996, so it is 66 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.
It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 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 Br Nishnabotna built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1996.
What condition is Local over Br Nishnabotna 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 August 2023.
How much traffic does Local over Br Nishnabotna carry?
About 26 vehicles per day (2022 count).
How long is Local over Br Nishnabotna?
The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.
Who owns Local over Br Nishnabotna?
It is owned by the County Highway Agency.