W Main ST over Small Natural Stream
PoorWarren County, Iowa · 074222801 · Structure no. 000000000051170
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected October 2023
- Type
- Slab
- Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 643
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
W Main ST over Small Natural Stream is a concrete slab carrying W Main ST over Small Natural Stream in Warren County, Iowa. It was built in 1959, 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 643 vehicles a day, roughly 12% of them trucks, projected to reach 643 by 2043. The structure is 31 ft (9.4 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 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 W Main ST over Small Natural Stream built?
It was built in 1959, making it 66 years old in 2025.
What condition is W Main ST over Small Natural 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 October 2023.
How much traffic does W Main ST over Small Natural Stream carry?
About 643 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is W Main ST over Small Natural Stream?
The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.
Who owns W Main ST over Small Natural Stream?
It is owned by the County Highway Agency.