250 Street over Gibson Slough
PoorFremont County, Iowa · 068433003 · Structure no. 000000000025310
- Built
- 1953
- 72 years old
- Condition
- Poor
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 79
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
250 Street over Gibson Slough is a concrete continuous slab carrying 250 Street over Gibson Slough in Fremont County, Iowa. It was built in 1953, so it is 72 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 79 vehicles a day, roughly 23% of them trucks, projected to reach 79 by 2043. The structure is 111 ft (33.8 m) long and 35 ft wide. If it were closed, the detour would be 60.3 mi (97 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 250 Street over Gibson Slough built?
It was built in 1953, making it 72 years old in 2025.
What condition is 250 Street over Gibson Slough 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 June 2023.
How much traffic does 250 Street over Gibson Slough carry?
About 79 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is 250 Street over Gibson Slough?
The structure is 111 ft (33.8 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.
Who owns 250 Street over Gibson Slough?
It is owned by the County Highway Agency.