SB I35 WB I80 over NS RR & Ia 141
FairPolk County, Iowa · At Jct. Iowa 141 · Structure no. 000000000041360
- Built
- 1958
- 67 years old, rebuilt 1998
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 254 ft
- 4 main spans
- Daily traffic
- 35,200
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB I35 WB I80 over NS RR & Ia 141 is a prestressed concrete stringer/multi-beam or girder carrying SB I35 WB I80 over NS RR & Ia 141 in Polk County, Iowa. It was built in 1958 and reconstructed in 1998, so it is 67 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 6 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 35,200 vehicles a day, roughly 22% of them trucks, projected to reach 35,200 by 2042. The structure is 254 ft (77.3 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB I35 WB I80 over NS RR & Ia 141 built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1998.
What condition is SB I35 WB I80 over NS RR & Ia 141 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 April 2023.
How much traffic does SB I35 WB I80 over NS RR & Ia 141 carry?
About 35,200 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is SB I35 WB I80 over NS RR & Ia 141?
The structure is 254 ft (77.3 m) long with a longest span of 69 ft (21 m) and a deck 68 ft wide.
Who owns SB I35 WB I80 over NS RR & Ia 141?
It is owned by the State Highway Agency.