Mississippi RD over Small
FairClayton County, Iowa · 093022908 · Structure no. 000000000119421
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 157
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Mississippi RD over Small is a prestressed concrete stringer/multi-beam or girder carrying Mississippi RD over Small in Clayton County, Iowa. It was built in 1979, so it is 46 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 157 vehicles a day, roughly 23% of them trucks, projected to reach 157 by 2044. The structure is 43 ft (13.1 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mississippi RD over Small built?
It was built in 1979, making it 46 years old in 2025.
What condition is Mississippi RD over Small in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does Mississippi RD over Small carry?
About 157 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is Mississippi RD over Small?
The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.
Who owns Mississippi RD over Small?
It is owned by the County Highway Agency.