FM SW Bayrtwn R over Stream
PoorJohnson County, Iowa · 078072303 · Structure no. 000000000203560
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected May 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 240
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM SW Bayrtwn R over Stream is a concrete slab carrying FM SW Bayrtwn R over Stream in Johnson County, Iowa. It was built in 1964, so it is 61 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 240 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2044. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 FM SW Bayrtwn R over Stream built?
It was built in 1964, making it 61 years old in 2025.
What condition is FM SW Bayrtwn R over Stream 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 May 2024.
How much traffic does FM SW Bayrtwn R over Stream carry?
About 240 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is FM SW Bayrtwn R over Stream?
The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.
Who owns FM SW Bayrtwn R over Stream?
It is owned by the County Highway Agency.