G-58 over Otter Creek
PoorWarren County, Iowa · 075232209 · Structure no. 000000000051160
- Built
- 1951
- 74 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 996
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
G-58 over Otter Creek is a steel continuous stringer/multi-beam or girder carrying G-58 over Otter Creek in Warren County, Iowa. It was built in 1951, so it is 74 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 996 vehicles a day, roughly 10% of them trucks, projected to reach 996 by 2044. The structure is 185 ft (56.4 m) long and 32 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 G-58 over Otter Creek built?
It was built in 1951, making it 74 years old in 2025.
What condition is G-58 over Otter 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 2024.
How much traffic does G-58 over Otter Creek carry?
About 996 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is G-58 over Otter Creek?
The structure is 185 ft (56.4 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.
Who owns G-58 over Otter Creek?
It is owned by the County Highway Agency.